Categories from Kobold Instruments (10)

Turbine Flow Meters
Turbine Flow Meters

Turbine flow meters are advanced instruments designed to measure fluid flow by utilizing the rotation of a turbine within the fluid stream. These meters are widely employed in aerospace, petrochemical, and water management industries to provide accurate and real-time data on flow rates. Turbine flow meters excel in applications where precision is crucial, offering high accuracy and reliability. They play a pivotal role in optimizing processes, monitoring consumption, and ensuring the efficient operation of various systems.

Flow Control Accessories
Flow Control Accessories

Flow Control Accessories encompass a range of supplementary components designed to optimize, support, or enhance the operation of primary flow control equipment such as valves, regulators, actuators, and pumps. These accessories are critical in ensuring precise control, safety, and efficiency within fluid and gas systems across industrial, commercial, and residential applications.

Flow Switches
Flow Switches

Flow switches are vital instruments in fluid systems that detect the presence or absence of flow. These devices ensure proper operation and prevent issues such as pump damage or system failure. Flow switches are employed in various industries to monitor and control the flow of liquids or gases, providing a reliable means of safeguarding equipment and optimizing fluid processes.

Flow Sensors
Flow Sensors

Flow Sensors are key elements in fluid systems, detecting and measuring the flow rate. These devices offer real-time data on liquid or gas movement, enabling precise control and monitoring. Flow Sensors are essential in manufacturing, healthcare, and environmental monitoring industries, providing valuable insights for process optimization, quality control, and regulatory compliance.

Ultrasonic Flow Meters
Ultrasonic Flow Meters

Ultrasonic flow meters use cutting-edge technology to precisely gauge the velocity of gas coursing through pipes. These meters employ transducers strategically positioned on opposite sides of the pipe. One transducer emits ultrasonic waves across the pipe, while its counterpart catches these waves. By timing the waves' journey upstream and downstream, these meters can accurately determine gas velocity. This data, when combined with the pipe's cross-sectional area, facilitates the calculation of gas flow rate. Renowned for their non-intrusive nature and versatility, ultrasonic flow meters find applications in various fields, including natural gas distribution, compressed air systems, and HVAC installations. Their appeal lies in their remarkable accuracy, wide turndown ratios, and low maintenance requirements, making them a preferred choice for gas flow measurement across industries. For further assistance and expert advice on selecting the right ultrasonic flow meter for your application, contact the product experts at Centro. They'll be glad to assist you.

Flow Meters
Flow Meters

Flow meters are a piece of essential equipment for many industries, as they allow for accurately measuring fluid flow rates. At Centro, we carry a complete online selection of flow meters, including magnetic flow meters, turbine flow meters, and positive displacement flow meters. We also offer a variety of accessories and replacement parts to ensure that your flow meter always operates at peak efficiency. Whether you're looking for a new flow meter or need to restock your supplies, Centro has everything you need to keep your operation running smoothly.

Magnetic Flow Meters
Magnetic Flow Meters

Magnetic flow meters are tools for measuring the flow of liquids in various industries. They work by using a magnetic field to determine the velocity of the fluid flowing through a pipe. One of the best things about these meters is their accuracy and reliability, especially when dealing with dirty or corrosive liquids. They're commonly used in water treatment plants, chemical processing, and even in food and beverage production because they have no moving parts and don't obstruct the flow, which means less maintenance and a longer lifespan. Browse our selection below or contact us to speak with a product expert.

Gas Flow Meters
Gas Flow Meters

Gas flow meters are devices used for measuring the flow rate of gases. They utilize different principles for measurement, including differential pressure, velocity, positive displacement, thermal sensing, and Coriolis effects. Differential pressure meters gauge the pressure decrease across a constriction, velocity meters gauge gas speed, positive displacement meters measure the flow rate by trapping and then releasing discrete volumes of gas, thermal meters detect heat transfer, and Coriolis meters measure the twisting of vibrating tubes. Each type has its advantages and limitations, with selection dependent on factors such as gas type, flow rate range, pressure, temperature, and required accuracy, for specific application needs. For further assistance and expert advice on selecting the right gas flow meter, the product experts at Centro will be glad to assist.

Roto Meters
Roto Meters

Rotameters are variable area flow meters that provide simple, reliable measurement of liquid or gas flow by indicating rate through the vertical movement of a float within a tapered tube. Commonly used in chemical processing, water treatment, laboratory, and OEM systems, rotameters offer visual, real-time flow monitoring without external power. With options for glass, plastic, or metal tubes and compatibility with corrosive or high-purity media, rotameters are a cost-effective solution for accurate, low-maintenance flow control in industrial applications.

Filter
Filter
149 items
content loaded
The innovative KOBOLD REG Valve delivers precise flow regulation in fluid systems without requiring external power or manual adjustment. Engineered to maintain consistent flow rates despite pressure variations of up to 145 PSI differential, this self-actuating balance valve brings reliability to multi-user networks where stable distribution is essential. Available in both brass and stainless steel constructions with 3/4" NPT connections, the compact REG valve handles temperatures up to 572°F while withstanding pressures of 2900 PSIG. Its maintenance-free operation and passive activation mechanism eliminate the need for electrical controls or pneumatic lines, making installation straightforward and reducing long-term operational costs. The REG's robust design features specialized internal components including a 304 SS ring cone and 301 SS regulating orifice that work together to automatically adjust to pressure changes, providing steady flow for water and compatible water-like liquids in industrial applications.
Configure Product

Configure product to see pricing

The versatile KOBOLD KSM Plastic Flowmeter delivers reliable flow measurement for aggressive chemicals and corrosive substances with its all-plastic construction featuring no metal components in the fluid path. Available with either durable Polysulfone (for highly corrosive applications) or Trogamid® measuring tubes (for moderately aggressive media), this variable area flowmeter provides ±4% full scale accuracy while withstanding pressures up to 145 PSI and temperatures to 140°F. The device's highly visible red PVDF float and large dual-scale display show both direct flow readings (GPM/SCFM) and percentage values, making monitoring simple across a wide measurement range from 0.06 to 264 GPM for liquids or 0.5 to 400 SCFM for gases. Optional bistable reed contact switches with IP65 protection can be easily added for automated flow control and alarm functionality, with convenient field-adjustable markers ensuring precise setpoint positioning. Featuring robust PVC connections (available in glue socket or NPT threaded options) and chemical-resistant EPDM seals, this shock-resistant instrument provides reliable service in water treatment, chemical processing, laboratory, and other demanding environments where metal flowmeters would quickly deteriorate.
Configure Product

Configure product to see pricing

The KOBOLD KSK plastic flowmeter and switch delivers reliable flow measurement for liquids and gases in a corrosion-resistant package featuring polyamide or polysulfone construction that stands up to aggressive acids and alkaline solutions typically unsuitable for metal units. Operating on the variable-area principle with a PVDF float traveling within a clear conical measuring tube, this versatile instrument provides ±4% full scale accuracy across a wide measurement range from 0.006 GPM to 4.4 GPM for liquids or from 0.06 SCFM to 62 SCFM for air (with polysulfone models offering specialized calibration scales for pressures from 0 to 145 PSIG). The compact design can be equipped with either bistable reed contacts (N/O or N/C) or NPN transistor switches featuring LED status indication, providing reliable flow monitoring and alarm capabilities for critical process protection applications. With a maximum pressure rating of 145 PSIG and temperature capabilities up to 212°F (for polysulfone versions with brass or stainless steel fittings), these shock-proof instruments offer exceptional chemical compatibility while maintaining visual indication through their clear measuring tubes. Versatile connection options including PVC glue socket/NPT female fittings or brass/stainless steel NPT adapters in various sizes make the KSK series adaptable to numerous industrial applications requiring chemical resistance combined with accurate flow measurement and control.
Configure Product

Configure product to see pricing

The KOBOLD KSK plastic flowmeter and switch delivers reliable flow measurement for liquids and gases in a corrosion-resistant package featuring polyamide or polysulfone construction that stands up to aggressive acids and alkaline solutions typically unsuitable for metal units. Operating on the variable-area principle with a PVDF float traveling within a clear conical measuring tube, this versatile instrument provides ±4% full scale accuracy across a wide measurement range from 0.006 GPM to 4.4 GPM for liquids or from 0.06 SCFM to 62 SCFM for air (with polysulfone models offering specialized calibration scales for pressures from 0 to 145 PSIG). The compact design can be equipped with either bistable reed contacts (N/O or N/C) or NPN transistor switches featuring LED status indication, providing reliable flow monitoring and alarm capabilities for critical process protection applications. With a maximum pressure rating of 145 PSIG and temperature capabilities up to 212°F (for polysulfone versions with brass or stainless steel fittings), these shock-proof instruments offer exceptional chemical compatibility while maintaining visual indication through their clear measuring tubes. Versatile connection options including PVC glue socket/NPT female fittings or brass/stainless steel NPT adapters in various sizes make the KSK series adaptable to numerous industrial applications requiring chemical resistance combined with accurate flow measurement and control.
Configure Product

Configure product to see pricing

"The MIM Magnetic Flow Meter delivers precision measurement in ultra-low flow applications with features unmatched by conventional devices. Constructed entirely of stainless steel with integrated IO-Link technology, this compact instrument offers bi-directional flow measurement and built-in temperature monitoring capabilities. Featuring dual configurable outputs (pulse, alarm, or analog), the MIM seamlessly integrates into various process control systems, especially batching operations. The intuitive multi-line LCD display changes color when reaching target flow rates, while optical buttons enable quick dose selection and adjustment. Hot-keys provide instant access to frequently used functions like partial totalizer display and temperature measurement. The MIM incorporates proprietary U-Pace electronics for reliable performance across diverse applications. For extreme temperature environments, the remote version separates the sensor from electronics via cable, functioning effectively from -40°F to 284°F. Available with NPT-threaded or Tri-Clamp fittings, this versatile Magnetic Flow Meter accommodates various installation requirements."
Configure Product

Configure product to see pricing

The KOBOLD MIK Compact Magneto-Inductive Flowmeter delivers precision electromagnetic flow measurement for conductive liquids with exceptional ±2% full scale accuracy across flow ranges from 0.18 GPH to 180 GPM. Operating on Faraday's Law of magnetic induction, this maintenance-free instrument features zero moving parts and robust all-plastic construction with multiple material combinations including PPS and PVDF housings paired with stainless steel, Hastelloy®, or Tantalum electrodes. The versatile design handles aggressive chemicals, acids, caustic solutions, and corrosive media at pressures up to 145 psi and temperatures from -4°F to 176°F, making it ideal for water treatment, chemical processing, pharmaceutical, food and beverage, and other demanding industrial applications where traditional metal flowmeters would deteriorate.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

"The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement."
Configure Product

Configure product to see pricing

"The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement."
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

Kobold DRH - Paddle Wheel Flow Sensor

Configure product to see pricing

The highly versatile KOBOLD DRH Paddle Wheel Flow Sensor delivers precise flow measurement with ±2.5% full scale accuracy across ranges from 0.05 to 13.2 GPM, featuring an exceptional seven material combinations to accommodate virtually any liquid or aggressive chemical application. Utilizing Hall effect technology to detect magnetic-embedded rotating paddle wheels, this compact flow sensor generates outputs proportional to flow rate and is available with frequency signals, 4-20 mA transmission, or comprehensive compact electronics featuring LED displays and programmable setpoint switches. With material options including brass, 316L stainless steel, POM (polyoxymethylene), and PVDF construction combined with ceramic axles and PTFE paddles, the DRH offers outstanding chemical compatibility and pressure resistance up to 580 PSIG while maintaining a consistent 176°F temperature rating across all configurations. Available in both 3/8" and 1" NPT connection sizes with horizontal flow orientation and minimal 14.5 PSI pressure drop at full flow, this versatile instrument provides exceptional value for industrial and OEM applications requiring reliable measurement in limited spaces. The DRH's modular design allows for easy integration into control systems via various electrical connection options including M12 connectors and DIN 43650 plugs, with lightweight construction (as little as 0.55 lb for plastic versions) and NEMA 4X protection ensuring reliable service in demanding environments.
Configure Product

Configure product to see pricing

Kobold KAL-A - Thermal Flow Transmitter

Configure product to see pricing

The sophisticated KOBOLD KAL-A Thermal Flow Transmitter employs advanced calorimetric technology with microprocessor-based drift stabilization to deliver reliable monitoring of water-based liquids with velocities from 0.2 to 6.6 ft/sec while providing consistent 4-20 mA output signals regardless of temperature fluctuations. Featuring an innovative single RTD element design that both heats the probe tip and measures temperature simultaneously, this intelligent instrument creates a continuous, protrusion-free sensor surface that prevents contamination buildup, enhances sensing stability, and significantly reduces system downtime associated with probe cleaning. Available in industrial (304 SS or 316-Ti SS with NPT connections) and sanitary models (316L SS with 3-A compliant Tri-Clamp® fittings), the KAL-A withstands extreme operating conditions up to 1450 PSIG pressure and CIP cleaning temperatures to 280°F while maintaining exceptional ±10% full scale linearity and ±1% repeatability. The user-friendly interface includes an 8-LED trend display for visual flow indication alongside adjustable zero (0-75% of range) and span (25-100% of range) settings, with optional PNP/NPN open collector switching outputs rated for 400mA that provide programmable alarm functionality. Operating with minimal pressure drop and complete insensitivity to dirt particles, this maintenance-free instrument delivers consistent performance across pipe sizes from 1/2" to 20" diameter without moving parts, making it ideal for critical applications in food processing, pharmaceutical manufacturing, water treatment, and other industries requiring sanitary or industrial flow monitoring.
Configure Product

Configure product to see pricing

Kobold KAL-D Compact Thermal Flow Switch

Configure product to see pricing

The cutting-edge KOBOLD KAL-D Compact Thermal Flow Switch delivers reliable flow monitoring for water-based liquids through advanced calorimetric technology that requires no moving parts, ensuring exceptional performance even with particulate-laden fluids. Featuring microprocessor-based temperature compensation for precise measurement across varying conditions, this stainless steel instrument detects flow velocities from 0.15 to 6.6 ft/sec while providing field-adjustable setpoints via an intuitive LED bargraph display and potentiometer adjustment. The compact insertion-type design minimizes pressure loss while withstanding operating pressures up to 580 PSIG and temperatures from -4°F to 176°F, with clean-in-place capability up to 250°F for sanitary applications. Available with multiple connection options including NPT, BSP, and M12x1 threads, and configurable with either NPN or PNP transistor outputs in normally open or normally closed configurations, this versatile instrument adapts perfectly to diverse industrial requirements. Protected to NEMA 4/IP65 standards and constructed with premium 316L stainless steel wetted parts, the KAL-D offers exceptional durability alongside sophisticated electronic protection features including short-circuit safeguards for its 400mA switching capacity.
Configure Product

Configure product to see pricing

Kobold KAL-K - Thermal Flow Switch

Configure product to see pricing

The KOBOLD KAL-K thermal flow switch delivers exceptional monitoring performance for water-based liquids through advanced microprocessor-controlled technology with intelligent temperature compensation. Unlike conventional flow switches, this compact device maintains consistent readings across temperature fluctuations, making it ideal for applications requiring reliable flow monitoring in changing conditions. The robust design features no moving parts, making it extremely durable and insensitive to contaminants while providing remarkably low pressure loss in your system. With capabilities to handle flow velocities from 0.02 to 6.6 ft/sec and withstand temperatures up to 250°F and pressures to 1450 PSIG, the KAL-K offers versatility across numerous industrial applications.
Configure Product

Configure product to see pricing

Kobold KAL-L - Thermal Air Flow Switch

Configure product to see pricing

The KOBOLD KAL-L thermal air flow switch delivers intelligent flow monitoring for non-hazardous gases with rapid response times and sophisticated temperature compensation achieved through a dual RTD design—one sensor detecting flow while the other monitors ambient conditions to prevent false alarms from environmental temperature shifts. This insertion-style unit, featuring a bright 8-digit LED bargraph flow indicator and adjustable response time (1-60 seconds), enables precise monitoring across a vast range of pipe diameters without requiring specific calibration for each application size—simply knowing your system's flow velocity is sufficient for proper implementation. The compact polyamide housing with nickel-plated brass sensor provides reliable performance in temperatures from -10°F to 250°F with pressures up to 120 PSIG, while offering adjustable setpoints through an accessible potentiometer and visual status indication via a two-color LED. With no moving parts to wear out or cause pressure drop, this solid-state monitoring solution maintains ±10% switching accuracy and exceptional ±1% repeatability across flow velocities from 3.3 to 66 ft/sec (capable of monitoring from 344 SCFM in 4" ducts to over 34,000 SCFM in 40" systems). Available with convenient mounting options including 1/2" NPT threads or 2-bolt flange connections, and electrical interface choices of conduit hub or quick disconnect with cable, the KAL-L delivers maintenance-free operation with IP65 environmental protection that makes it ideal for HVAC systems, ventilation monitoring, and other critical air flow applications.
Configure Product

Configure product to see pricing

The precision-engineered KOBOLD DPL All-Plastic Paddle Wheel Flow Sensor delivers reliable measurement of transparent liquids with flow rates up to 400 GPH, making it ideal for applications where chemical compatibility and cost-effectiveness are essential. Featuring a compact design that integrates seamlessly into space-constrained installations like the interior of larger systems, this versatile transmitter uses non-contact optoelectronic sensing to convert rotary paddle wheel motion into proportional frequency signals. KOBOLD USA With all wetted components constructed from synthetic materials including polypropylene housing, polysulfone vane mount, and sapphire axle/bearing, the DPL provides exceptional resistance to aggressive chemicals while maintaining measurement accuracy in harsh environments. Available with multiple output options including frequency signal or analog output, this flow sensor offers flexible integration capabilities for monitoring and control applications across industrial, commercial, and laboratory settings. Operating at pressures up to 145 PSI and temperatures to 160°F, the DPL combines American manufacturing quality with innovative design elements like sapphire-supported vanes that ensure high linearity and extended service life in critical fluid handling systems.
Configure Product

Configure product to see pricing

The KOBOLD DIH rotating vane flow indicator provides immediate visual confirmation of liquid flow through its distinctive rotating propeller design, offering at-a-glance operational status for critical process applications. Available with nickel-plated brass, stainless steel, or POM housing options, this versatile indicator accommodates diverse industrial environments and chemical compatibility requirements while maintaining consistent performance. The transparent PMMA cover allows operators to easily monitor the eye-catching rotating propeller, instantly confirming proper system operation without the need for additional instrumentation or power. With flow ranges spanning from 0.05 GPM to 13.2 GPM (water) and pressure ratings up to 230 PSI, the DIH series adapts to numerous industrial applications while introducing minimal pressure drop of only 14.5 PSI at maximum flow. Installation is straightforward with standard 3/8" or 1" NPT connection options, allowing this compact and reliable visual indicator to be integrated into both new and existing systems while providing continuous operational feedback without maintenance concerns.
Configure Product

Configure product to see pricing

The KOBOLD DIG rotating vane flow indicator offers reliable visual confirmation of liquid flow with its vibrant paddle wheel that spins behind a transparent polysulfone cover, providing operators with immediate status verification without electronic components. Available in brass, stainless steel, or polypropylene housing options, this versatile device accommodates various chemical compatibility requirements while handling flow ranges from 0.13 GPM to 21 GPM of water-based fluids. With five connection sizes ranging from 1/8" to 1" NPT, the DIG series integrates seamlessly into diverse piping systems while maintaining pressure ratings up to 230 PSI (100 PSI for polypropylene models) and temperature capabilities up to 176°F. The robust design features a ceramic axle for extended service life and minimal maintenance requirements, while introducing only 14.5 PSI pressure drop at maximum flow rates to preserve system efficiency. Ideal for applications requiring continuous visual confirmation of process flow without electrical power or complex instrumentation, the DIG combines simple operation with durable construction to deliver reliable performance across a wide range of industrial liquid monitoring applications.
Configure Product

Configure product to see pricing

The KOBOLD KSV Economical Micro Flowmeter provides precise measurement for minimal liquid and gas flows with its versatile design featuring a polysulfone body and your choice of brass or stainless steel connections. Engineered for light industrial applications, this vertical-mount variable area flowmeter delivers consistent performance with ±6% full scale accuracy and exceptional ±1% repeatability in a compact, easy-to-read format. Available with flow ranges from 0.04 GPH to 20 GPH for liquids or 0.3 SCFH to 100 SCFH for gases, the KSV offers outstanding chemical resistance and can withstand sterilization temperatures up to 250°F. The optional integrated needle valve provides enhanced flow stability, particularly useful when measuring gas applications where fluctuations are common. With 1/8" NPT female connections and an 87 PSI maximum operating pressure, this economical instrument offers reliable metering performance while maintaining excellent resistance to acids and alkaline solutions.
Configure Product

Configure product to see pricing

Kobold DRG - Paddle Flow Sensor

Configure product to see pricing

The versatile KOBOLD DRG Paddle Flow Sensor combines compact design, economical pricing, and exceptional adaptability to deliver reliable flow measurement for liquid applications from 0.15 to 37 GPM with ±3% full scale accuracy. Using advanced Hall effect technology to detect magnetic-embedded rotating paddles, this OEM-friendly instrument offers multiple output configurations including frequency signals, 4-20 mA analog transmission, or comprehensive compact electronics with LED display and programmable setpoint switches. Available in five distinct material combinations—from economical brass to high-performance stainless steel and all-plastic polypropylene versions for aggressive chemicals and high-purity water—the DRG provides excellent chemical compatibility with maximum operating pressures up to 580 PSIG and temperatures to 176°F. The low-profile design features NEMA 4X/IP65 protection, minimal pressure drop (14.5 PSI at 100% rated flow), and horizontal flow orientation with connection options ranging from 1/8" to 1" NPT to accommodate diverse installation requirements. With its modular electronic packages, lightweight construction (as little as 0.26 lb for the all-plastic version), and comprehensive connectivity options including M12 connectors and DIN 43650 plugs, the DRG delivers exceptional value for industrial, process control, and OEM flow monitoring applications where reliable measurement and space efficiency are critical requirements.
Configure Product

Configure product to see pricing

Kobold DPM - Pelton Wheel Flow Sensor

Configure product to see pricing

The KOBOLD DPM Pelton wheel flow sensor delivers precise flow measurement of water and water-based, low-viscosity, optically transparent liquids in a remarkably compact form factor ideal for space-constrained installations. Employing an innovative design where liquid passes through a precision nozzle and impinges directly onto a flat-blade Pelton turbine, this sensor provides exceptional accuracy (±1.5% of full scale for advanced models) while requiring no straight pipe runs before or after installation. The robust construction featuring brass or 316L stainless steel housing options combined with a sapphire axle/bearing assembly ensures outstanding durability and extended service life even in demanding industrial environments. Multiple output options—from basic frequency pulse signals to sophisticated 4-20 mA outputs and programmable compact electronics with integrated digital display—provide flexible integration with various control systems while maintaining measurement consistency across flow ranges from 0.24 GPH to 80 GPH. The sensor's versatile design allows mounting in any orientation with the axle maintained in the horizontal plane, facilitating straightforward installation in challenging locations while delivering reliable performance with an operating temperature range of -10°F to 176°F and pressure ratings up to 230 PSIG.
Configure Product

Configure product to see pricing

Kobold NKP - Level Switch

Configure product to see pricing

The KOBOLD NKP level switch offers an affordable yet highly reliable solution for side-mounted liquid level detection in challenging chemical environments, thanks to its polypropylene or PVDF construction that stands up to aggressive media. Engineered with remarkable simplicity and functionality, this compact device features a magnetic float mechanism that delivers consistent performance with minimal maintenance requirements, making it ideal for long-term deployment in industrial applications. The versatile design allows for easy switch function conversion from normally open to normally closed by simply rotating the unit 180°, providing installation flexibility without additional components or reconfiguration. With NEMA 6/IP68 protection and hermetically sealed reed switch technology, the NKP maintains operational integrity even in harsh environments and can withstand pressures up to 145 PSIG and temperatures up to 212°F (PVDF version). Particularly valuable for vessels with limited top or bottom access, this side-mounting level switch combines practical engineering with excellent chemical compatibility to deliver dependable level control across a wide range of industrial applications.
Configure Product

Configure product to see pricing

The innovative KOBOLD REG Valve delivers precise flow regulation in fluid systems without requiring external power or manual adjustment. Engineered to maintain consistent flow rates despite pressure variations of up to 145 PSI differential, this self-actuating balance valve brings reliability to multi-user networks where stable distribution is essential. Available in both brass and stainless steel constructions with 3/4" NPT connections, the compact REG valve handles temperatures up to 572°F while withstanding pressures of 2900 PSIG. Its maintenance-free operation and passive activation mechanism eliminate the need for electrical controls or pneumatic lines, making installation straightforward and reducing long-term operational costs. The REG's robust design features specialized internal components including a 304 SS ring cone and 301 SS regulating orifice that work together to automatically adjust to pressure changes, providing steady flow for water and compatible water-like liquids in industrial applications.
Configure Product

Configure product to see pricing

The versatile KOBOLD KSM Plastic Flowmeter delivers reliable flow measurement for aggressive chemicals and corrosive substances with its all-plastic construction featuring no metal components in the fluid path. Available with either durable Polysulfone (for highly corrosive applications) or Trogamid® measuring tubes (for moderately aggressive media), this variable area flowmeter provides ±4% full scale accuracy while withstanding pressures up to 145 PSI and temperatures to 140°F. The device's highly visible red PVDF float and large dual-scale display show both direct flow readings (GPM/SCFM) and percentage values, making monitoring simple across a wide measurement range from 0.06 to 264 GPM for liquids or 0.5 to 400 SCFM for gases. Optional bistable reed contact switches with IP65 protection can be easily added for automated flow control and alarm functionality, with convenient field-adjustable markers ensuring precise setpoint positioning. Featuring robust PVC connections (available in glue socket or NPT threaded options) and chemical-resistant EPDM seals, this shock-resistant instrument provides reliable service in water treatment, chemical processing, laboratory, and other demanding environments where metal flowmeters would quickly deteriorate.
Configure Product

Configure product to see pricing

The KOBOLD KSK plastic flowmeter and switch delivers reliable flow measurement for liquids and gases in a corrosion-resistant package featuring polyamide or polysulfone construction that stands up to aggressive acids and alkaline solutions typically unsuitable for metal units. Operating on the variable-area principle with a PVDF float traveling within a clear conical measuring tube, this versatile instrument provides ±4% full scale accuracy across a wide measurement range from 0.006 GPM to 4.4 GPM for liquids or from 0.06 SCFM to 62 SCFM for air (with polysulfone models offering specialized calibration scales for pressures from 0 to 145 PSIG). The compact design can be equipped with either bistable reed contacts (N/O or N/C) or NPN transistor switches featuring LED status indication, providing reliable flow monitoring and alarm capabilities for critical process protection applications. With a maximum pressure rating of 145 PSIG and temperature capabilities up to 212°F (for polysulfone versions with brass or stainless steel fittings), these shock-proof instruments offer exceptional chemical compatibility while maintaining visual indication through their clear measuring tubes. Versatile connection options including PVC glue socket/NPT female fittings or brass/stainless steel NPT adapters in various sizes make the KSK series adaptable to numerous industrial applications requiring chemical resistance combined with accurate flow measurement and control.
Configure Product

Configure product to see pricing

The KOBOLD KSK plastic flowmeter and switch delivers reliable flow measurement for liquids and gases in a corrosion-resistant package featuring polyamide or polysulfone construction that stands up to aggressive acids and alkaline solutions typically unsuitable for metal units. Operating on the variable-area principle with a PVDF float traveling within a clear conical measuring tube, this versatile instrument provides ±4% full scale accuracy across a wide measurement range from 0.006 GPM to 4.4 GPM for liquids or from 0.06 SCFM to 62 SCFM for air (with polysulfone models offering specialized calibration scales for pressures from 0 to 145 PSIG). The compact design can be equipped with either bistable reed contacts (N/O or N/C) or NPN transistor switches featuring LED status indication, providing reliable flow monitoring and alarm capabilities for critical process protection applications. With a maximum pressure rating of 145 PSIG and temperature capabilities up to 212°F (for polysulfone versions with brass or stainless steel fittings), these shock-proof instruments offer exceptional chemical compatibility while maintaining visual indication through their clear measuring tubes. Versatile connection options including PVC glue socket/NPT female fittings or brass/stainless steel NPT adapters in various sizes make the KSK series adaptable to numerous industrial applications requiring chemical resistance combined with accurate flow measurement and control.
Configure Product

Configure product to see pricing

"The MIM Magnetic Flow Meter delivers precision measurement in ultra-low flow applications with features unmatched by conventional devices. Constructed entirely of stainless steel with integrated IO-Link technology, this compact instrument offers bi-directional flow measurement and built-in temperature monitoring capabilities. Featuring dual configurable outputs (pulse, alarm, or analog), the MIM seamlessly integrates into various process control systems, especially batching operations. The intuitive multi-line LCD display changes color when reaching target flow rates, while optical buttons enable quick dose selection and adjustment. Hot-keys provide instant access to frequently used functions like partial totalizer display and temperature measurement. The MIM incorporates proprietary U-Pace electronics for reliable performance across diverse applications. For extreme temperature environments, the remote version separates the sensor from electronics via cable, functioning effectively from -40°F to 284°F. Available with NPT-threaded or Tri-Clamp fittings, this versatile Magnetic Flow Meter accommodates various installation requirements."
Configure Product

Configure product to see pricing

The KOBOLD MIK Compact Magneto-Inductive Flowmeter delivers precision electromagnetic flow measurement for conductive liquids with exceptional ±2% full scale accuracy across flow ranges from 0.18 GPH to 180 GPM. Operating on Faraday's Law of magnetic induction, this maintenance-free instrument features zero moving parts and robust all-plastic construction with multiple material combinations including PPS and PVDF housings paired with stainless steel, Hastelloy®, or Tantalum electrodes. The versatile design handles aggressive chemicals, acids, caustic solutions, and corrosive media at pressures up to 145 psi and temperatures from -4°F to 176°F, making it ideal for water treatment, chemical processing, pharmaceutical, food and beverage, and other demanding industrial applications where traditional metal flowmeters would deteriorate.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

"The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement."
Configure Product

Configure product to see pricing

"The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement."
Configure Product

Configure product to see pricing

The DUK Compact Inline Ultrasonic Flow Meter combines American craftsmanship from Pittsburgh, PA with innovative U-Pace electronics, delivering exceptional performance with short lead times. This versatile instrument features integrated temperature measurement, IO-Link compatibility, bi-directional flow capabilities, and processes moderately viscous media up to 68 cSt. Ideal for non-conductive liquids where magnetic flow meters aren't suitable, the DUK operates without moving parts, ensuring long service life and minimal maintenance. Its inline design provides superior accuracy through direct liquid contact, particularly at low flow rates and in smaller pipe diameters. With an industry-leading 250:1 turndown ratio, it maintains consistent accuracy across widely fluctuating flow conditions. The DUK utilizes transit time difference technology with dual-function sensors and features user-friendly elements including two configurable outputs for switching, batching, and transmitting functions. The digital touch screen rotates in 90° increments for optimal viewing in any installation position, while the future-proof design allows for straightforward onsite electronics replacement.
Configure Product

Configure product to see pricing

Kobold DRH - Paddle Wheel Flow Sensor

Configure product to see pricing

The highly versatile KOBOLD DRH Paddle Wheel Flow Sensor delivers precise flow measurement with ±2.5% full scale accuracy across ranges from 0.05 to 13.2 GPM, featuring an exceptional seven material combinations to accommodate virtually any liquid or aggressive chemical application. Utilizing Hall effect technology to detect magnetic-embedded rotating paddle wheels, this compact flow sensor generates outputs proportional to flow rate and is available with frequency signals, 4-20 mA transmission, or comprehensive compact electronics featuring LED displays and programmable setpoint switches. With material options including brass, 316L stainless steel, POM (polyoxymethylene), and PVDF construction combined with ceramic axles and PTFE paddles, the DRH offers outstanding chemical compatibility and pressure resistance up to 580 PSIG while maintaining a consistent 176°F temperature rating across all configurations. Available in both 3/8" and 1" NPT connection sizes with horizontal flow orientation and minimal 14.5 PSI pressure drop at full flow, this versatile instrument provides exceptional value for industrial and OEM applications requiring reliable measurement in limited spaces. The DRH's modular design allows for easy integration into control systems via various electrical connection options including M12 connectors and DIN 43650 plugs, with lightweight construction (as little as 0.55 lb for plastic versions) and NEMA 4X protection ensuring reliable service in demanding environments.
Configure Product

Configure product to see pricing

Kobold KAL-A - Thermal Flow Transmitter

Configure product to see pricing

The sophisticated KOBOLD KAL-A Thermal Flow Transmitter employs advanced calorimetric technology with microprocessor-based drift stabilization to deliver reliable monitoring of water-based liquids with velocities from 0.2 to 6.6 ft/sec while providing consistent 4-20 mA output signals regardless of temperature fluctuations. Featuring an innovative single RTD element design that both heats the probe tip and measures temperature simultaneously, this intelligent instrument creates a continuous, protrusion-free sensor surface that prevents contamination buildup, enhances sensing stability, and significantly reduces system downtime associated with probe cleaning. Available in industrial (304 SS or 316-Ti SS with NPT connections) and sanitary models (316L SS with 3-A compliant Tri-Clamp® fittings), the KAL-A withstands extreme operating conditions up to 1450 PSIG pressure and CIP cleaning temperatures to 280°F while maintaining exceptional ±10% full scale linearity and ±1% repeatability. The user-friendly interface includes an 8-LED trend display for visual flow indication alongside adjustable zero (0-75% of range) and span (25-100% of range) settings, with optional PNP/NPN open collector switching outputs rated for 400mA that provide programmable alarm functionality. Operating with minimal pressure drop and complete insensitivity to dirt particles, this maintenance-free instrument delivers consistent performance across pipe sizes from 1/2" to 20" diameter without moving parts, making it ideal for critical applications in food processing, pharmaceutical manufacturing, water treatment, and other industries requiring sanitary or industrial flow monitoring.
Configure Product

Configure product to see pricing

Kobold KAL-D Compact Thermal Flow Switch

Configure product to see pricing

The cutting-edge KOBOLD KAL-D Compact Thermal Flow Switch delivers reliable flow monitoring for water-based liquids through advanced calorimetric technology that requires no moving parts, ensuring exceptional performance even with particulate-laden fluids. Featuring microprocessor-based temperature compensation for precise measurement across varying conditions, this stainless steel instrument detects flow velocities from 0.15 to 6.6 ft/sec while providing field-adjustable setpoints via an intuitive LED bargraph display and potentiometer adjustment. The compact insertion-type design minimizes pressure loss while withstanding operating pressures up to 580 PSIG and temperatures from -4°F to 176°F, with clean-in-place capability up to 250°F for sanitary applications. Available with multiple connection options including NPT, BSP, and M12x1 threads, and configurable with either NPN or PNP transistor outputs in normally open or normally closed configurations, this versatile instrument adapts perfectly to diverse industrial requirements. Protected to NEMA 4/IP65 standards and constructed with premium 316L stainless steel wetted parts, the KAL-D offers exceptional durability alongside sophisticated electronic protection features including short-circuit safeguards for its 400mA switching capacity.
Configure Product

Configure product to see pricing

Kobold KAL-K - Thermal Flow Switch

Configure product to see pricing

The KOBOLD KAL-K thermal flow switch delivers exceptional monitoring performance for water-based liquids through advanced microprocessor-controlled technology with intelligent temperature compensation. Unlike conventional flow switches, this compact device maintains consistent readings across temperature fluctuations, making it ideal for applications requiring reliable flow monitoring in changing conditions. The robust design features no moving parts, making it extremely durable and insensitive to contaminants while providing remarkably low pressure loss in your system. With capabilities to handle flow velocities from 0.02 to 6.6 ft/sec and withstand temperatures up to 250°F and pressures to 1450 PSIG, the KAL-K offers versatility across numerous industrial applications.
Configure Product

Configure product to see pricing

Kobold KAL-L - Thermal Air Flow Switch

Configure product to see pricing

The KOBOLD KAL-L thermal air flow switch delivers intelligent flow monitoring for non-hazardous gases with rapid response times and sophisticated temperature compensation achieved through a dual RTD design—one sensor detecting flow while the other monitors ambient conditions to prevent false alarms from environmental temperature shifts. This insertion-style unit, featuring a bright 8-digit LED bargraph flow indicator and adjustable response time (1-60 seconds), enables precise monitoring across a vast range of pipe diameters without requiring specific calibration for each application size—simply knowing your system's flow velocity is sufficient for proper implementation. The compact polyamide housing with nickel-plated brass sensor provides reliable performance in temperatures from -10°F to 250°F with pressures up to 120 PSIG, while offering adjustable setpoints through an accessible potentiometer and visual status indication via a two-color LED. With no moving parts to wear out or cause pressure drop, this solid-state monitoring solution maintains ±10% switching accuracy and exceptional ±1% repeatability across flow velocities from 3.3 to 66 ft/sec (capable of monitoring from 344 SCFM in 4" ducts to over 34,000 SCFM in 40" systems). Available with convenient mounting options including 1/2" NPT threads or 2-bolt flange connections, and electrical interface choices of conduit hub or quick disconnect with cable, the KAL-L delivers maintenance-free operation with IP65 environmental protection that makes it ideal for HVAC systems, ventilation monitoring, and other critical air flow applications.
Configure Product

Configure product to see pricing

The precision-engineered KOBOLD DPL All-Plastic Paddle Wheel Flow Sensor delivers reliable measurement of transparent liquids with flow rates up to 400 GPH, making it ideal for applications where chemical compatibility and cost-effectiveness are essential. Featuring a compact design that integrates seamlessly into space-constrained installations like the interior of larger systems, this versatile transmitter uses non-contact optoelectronic sensing to convert rotary paddle wheel motion into proportional frequency signals. KOBOLD USA With all wetted components constructed from synthetic materials including polypropylene housing, polysulfone vane mount, and sapphire axle/bearing, the DPL provides exceptional resistance to aggressive chemicals while maintaining measurement accuracy in harsh environments. Available with multiple output options including frequency signal or analog output, this flow sensor offers flexible integration capabilities for monitoring and control applications across industrial, commercial, and laboratory settings. Operating at pressures up to 145 PSI and temperatures to 160°F, the DPL combines American manufacturing quality with innovative design elements like sapphire-supported vanes that ensure high linearity and extended service life in critical fluid handling systems.
Configure Product

Configure product to see pricing

The KOBOLD DIH rotating vane flow indicator provides immediate visual confirmation of liquid flow through its distinctive rotating propeller design, offering at-a-glance operational status for critical process applications. Available with nickel-plated brass, stainless steel, or POM housing options, this versatile indicator accommodates diverse industrial environments and chemical compatibility requirements while maintaining consistent performance. The transparent PMMA cover allows operators to easily monitor the eye-catching rotating propeller, instantly confirming proper system operation without the need for additional instrumentation or power. With flow ranges spanning from 0.05 GPM to 13.2 GPM (water) and pressure ratings up to 230 PSI, the DIH series adapts to numerous industrial applications while introducing minimal pressure drop of only 14.5 PSI at maximum flow. Installation is straightforward with standard 3/8" or 1" NPT connection options, allowing this compact and reliable visual indicator to be integrated into both new and existing systems while providing continuous operational feedback without maintenance concerns.
Configure Product

Configure product to see pricing

The KOBOLD DIG rotating vane flow indicator offers reliable visual confirmation of liquid flow with its vibrant paddle wheel that spins behind a transparent polysulfone cover, providing operators with immediate status verification without electronic components. Available in brass, stainless steel, or polypropylene housing options, this versatile device accommodates various chemical compatibility requirements while handling flow ranges from 0.13 GPM to 21 GPM of water-based fluids. With five connection sizes ranging from 1/8" to 1" NPT, the DIG series integrates seamlessly into diverse piping systems while maintaining pressure ratings up to 230 PSI (100 PSI for polypropylene models) and temperature capabilities up to 176°F. The robust design features a ceramic axle for extended service life and minimal maintenance requirements, while introducing only 14.5 PSI pressure drop at maximum flow rates to preserve system efficiency. Ideal for applications requiring continuous visual confirmation of process flow without electrical power or complex instrumentation, the DIG combines simple operation with durable construction to deliver reliable performance across a wide range of industrial liquid monitoring applications.
Configure Product

Configure product to see pricing

The KOBOLD KSV Economical Micro Flowmeter provides precise measurement for minimal liquid and gas flows with its versatile design featuring a polysulfone body and your choice of brass or stainless steel connections. Engineered for light industrial applications, this vertical-mount variable area flowmeter delivers consistent performance with ±6% full scale accuracy and exceptional ±1% repeatability in a compact, easy-to-read format. Available with flow ranges from 0.04 GPH to 20 GPH for liquids or 0.3 SCFH to 100 SCFH for gases, the KSV offers outstanding chemical resistance and can withstand sterilization temperatures up to 250°F. The optional integrated needle valve provides enhanced flow stability, particularly useful when measuring gas applications where fluctuations are common. With 1/8" NPT female connections and an 87 PSI maximum operating pressure, this economical instrument offers reliable metering performance while maintaining excellent resistance to acids and alkaline solutions.
Configure Product

Configure product to see pricing

Kobold DRG - Paddle Flow Sensor

Configure product to see pricing

The versatile KOBOLD DRG Paddle Flow Sensor combines compact design, economical pricing, and exceptional adaptability to deliver reliable flow measurement for liquid applications from 0.15 to 37 GPM with ±3% full scale accuracy. Using advanced Hall effect technology to detect magnetic-embedded rotating paddles, this OEM-friendly instrument offers multiple output configurations including frequency signals, 4-20 mA analog transmission, or comprehensive compact electronics with LED display and programmable setpoint switches. Available in five distinct material combinations—from economical brass to high-performance stainless steel and all-plastic polypropylene versions for aggressive chemicals and high-purity water—the DRG provides excellent chemical compatibility with maximum operating pressures up to 580 PSIG and temperatures to 176°F. The low-profile design features NEMA 4X/IP65 protection, minimal pressure drop (14.5 PSI at 100% rated flow), and horizontal flow orientation with connection options ranging from 1/8" to 1" NPT to accommodate diverse installation requirements. With its modular electronic packages, lightweight construction (as little as 0.26 lb for the all-plastic version), and comprehensive connectivity options including M12 connectors and DIN 43650 plugs, the DRG delivers exceptional value for industrial, process control, and OEM flow monitoring applications where reliable measurement and space efficiency are critical requirements.
Configure Product

Configure product to see pricing

Kobold DPM - Pelton Wheel Flow Sensor

Configure product to see pricing

The KOBOLD DPM Pelton wheel flow sensor delivers precise flow measurement of water and water-based, low-viscosity, optically transparent liquids in a remarkably compact form factor ideal for space-constrained installations. Employing an innovative design where liquid passes through a precision nozzle and impinges directly onto a flat-blade Pelton turbine, this sensor provides exceptional accuracy (±1.5% of full scale for advanced models) while requiring no straight pipe runs before or after installation. The robust construction featuring brass or 316L stainless steel housing options combined with a sapphire axle/bearing assembly ensures outstanding durability and extended service life even in demanding industrial environments. Multiple output options—from basic frequency pulse signals to sophisticated 4-20 mA outputs and programmable compact electronics with integrated digital display—provide flexible integration with various control systems while maintaining measurement consistency across flow ranges from 0.24 GPH to 80 GPH. The sensor's versatile design allows mounting in any orientation with the axle maintained in the horizontal plane, facilitating straightforward installation in challenging locations while delivering reliable performance with an operating temperature range of -10°F to 176°F and pressure ratings up to 230 PSIG.
Configure Product

Configure product to see pricing

Kobold NKP - Level Switch

Configure product to see pricing

The KOBOLD NKP level switch offers an affordable yet highly reliable solution for side-mounted liquid level detection in challenging chemical environments, thanks to its polypropylene or PVDF construction that stands up to aggressive media. Engineered with remarkable simplicity and functionality, this compact device features a magnetic float mechanism that delivers consistent performance with minimal maintenance requirements, making it ideal for long-term deployment in industrial applications. The versatile design allows for easy switch function conversion from normally open to normally closed by simply rotating the unit 180°, providing installation flexibility without additional components or reconfiguration. With NEMA 6/IP68 protection and hermetically sealed reed switch technology, the NKP maintains operational integrity even in harsh environments and can withstand pressures up to 145 PSIG and temperatures up to 212°F (PVDF version). Particularly valuable for vessels with limited top or bottom access, this side-mounting level switch combines practical engineering with excellent chemical compatibility to deliver dependable level control across a wide range of industrial applications.
Configure Product

Configure product to see pricing