Instrumentation, Measurement and Control

Instrumentation refers to devices that measure or control physical variables such as temperature, level, flow, or pressure. These products are essential in the industry because they allow for maximum output with mi...

Categories in Instrumentation, Measurement & Control - Precision Solutions for Efficiency (14)
Pressure Control

Centro carries a complete selection of pressure control products available to purchase online. Our inventory includes pressure gauges, switches, and pressure transmitters from leading manufacturers. Pressure control is essential for various applications, and our products are designed to provide reliable performance in even the most demanding environments. Whether you need a simple gauge to monitor system pressure or a sophisticated transmitter to provide real-time data monitoring, we have the right product for your needs. So please browse our online selection today.

Seals and Accessories

Centro is proud to offer a wide selection of industrial seals and accessories for various applications. Our seals are from leading manufacturers with high-quality materials designed to provide long-lasting, reliable performance in demanding industrial environments. We offer various seal types, including O-rings, gaskets, and rotary shaft seals. Our O-rings are available in various sizes and materials, including nitrile, silicone, and fluoroelastomer. They are ideal for use in hydraulic and pneumatic systems, as well as in general-purpose applications. Our gaskets are also made from high-quality materials and are designed to provide a tight, reliable seal in various applications. They are available in standard and custom sizes to suit your needs. We also carry a wide selection of rotary shaft seals, which are used to seal the gap between a rotating shaft and a stationary housing. These seals help prevent leakage of lubricants and other fluids and are available in various styles and materials to suit different applications. In addition to seals, we also offer a range of accessories to help you install and maintain your seals, including lubricants, sealant, and installation tools.

Valves

Valves are fundamental components used in fluid control systems to regulate, control, and direct the flow of fluids. These devices are essential for various industries, including oil and gas, water treatment, manufacturing, and HVAC. Valves come in different types each designed for specific applications and operating conditions. Valves ensure efficient and safe fluid handling with features like durable construction, reliable sealing mechanisms, and precise flow control. They play a critical role in maintaining process integrity, optimizing system performance, and ensuring equipment and personnel safety.

Controllers

Centro carries a complete selection of controllers available to purchase online. This includes Process Meters, Panel Meters, and PID controllers. Process Meters measure and control process variables such as temperature, pressure, level, and flow. Panel Meters measure and display panel information such as current, voltage, power, frequency, and phase. PID controllers automatically control process variables such as temperature, pressure, level, and flow. Centro also carries a complete line of Process Automation products, including Process Sensors, Process Valves, Process Pumps, Process Actuators, and Process Controllers.

Recorders

Centro offers one of the most complete selections of recorders available online. Chart recorders and paperless recorders provide an efficient way to collect data, while data loggers offer a more versatile solution for recording a variety of parameters. Chart recorders are ideal for applications where long-term data storage is not required, while paperless recorder systems conveniently store data electronically. Data loggers can be used in various applications, from monitoring environmental conditions to recording process data in industrial settings. Whether you need a simple chart recorder or a more versatile data logger, Centro has the right solution.


Instrument/Compression Fittings

Compression fittings are used in a variety of industries for a multitude of applications. Compression fittings are most commonly used in applications where copper or brass tubing is inserted into the fitting. The ferrule then compresses the tubing, creating a watertight seal. Compression fittings can be found in everything from plumbing and refrigeration to automotive and aerospace applications. Our team is proud to offer a wide variety of standard and custom compression fittings, ensuring that you'll find the perfect solution for your needs. At Centro, we carry a complete selection of both instrument and compression fittings, available to purchase online. Please browse our website to learn more about our products and services.

Sensors

At Centro, we carry a complete selection of sensors for all your industrial needs. Whether you're looking for a Detection Sensor to help with the early detection of potential problems or a Gas Detection Sensor to monitor air quality, we have the right sensor for the job. Our Flame Detection Sensors are designed to provide reliable fire detection in various industrial settings, and our selection of process control sensors can help you optimize your production line. With our online selection of available sensors, Centro is your one-stop shop for all your industrial sensor needs.

Analytical Tools

At Centro, we carry a complete selection of analytical tools for purchase online. This includes everything from analytical probes and transmitters to conductivity probes. Industrial applications often require the use of Analytical Tools including Analytical Probes, Analytical Transmitters, and Conductivity Probes to measure various parameters. These probes can be used to measure things like pH, conductivity, temperature, and more. Each type of probe has its own unique benefits and drawbacks, so it's important to choose the right one for the job at hand. Analytical Probes are often used for measuring pH, as they are very accurate and precise. Analytical Transmitters are good for measuring conductivity, as they are able to transmit a signal over long distances. Conductivity Probes are often used for measuring temperature, as they are very sensitive to changes in temperature. When choosing a probe for an industrial application, it's important to consider the accuracy, precision, and sensitivity of the probe. Analytical Probes, Analytical Transmitters, and Conductivity Probes are all great choices for industrial applications, so it's just a matter of choosing the right one for the job. Whether you need a single piece of equipment or a complete set, we have you covered. We also offer a wide range of accessories so that you can tailor your purchase to your specific needs. And because we source our products from leading manufacturers, you can rest assured that you're getting the highest quality tools on the market. So please browse our selection today and find the perfect analytical tool for your needs.


Level Control

Level control is essential for many industrial and commercial applications, ranging from simple water tanks to complex chemical processing systems. Industrial applications often require control to maintain safe and efficient operations. This can be accomplished through the use of float switches or differential pressure control. Float switches are devices used to measure the level of a liquid in a tank. They work by using a float that is attached to a switch. When the float rises or falls with the level of the liquid, the switch is activated. This can then be used to trigger an alarm or shut off a pump. Differential pressure control is another level control method that uses pressure sensors to measure the difference in pressure between two points. This can be used to determine the liquid level in a tank. Differential pressure control is often used in applications requiring precise level control. At Centro, we carry a complete selection of level-control products to meet your needs. Our float switches are ideal for small-scale applications, while our radar and differential pressure control systems are designed for more demanding environments. We also offer load cells for use in weight-based level measurement. Whether you need a simple float switch or a sophisticated differential pressure system, Centro has your level control products.

Temperature Measurement, Instrumentation and Control

At Centro, we carry a complete selection of temperature measurement, instrumentation, and control devices to suit any industrial or commercial application. For various reasons, temperature measurement, instrumentation, and Control products are critical to industrial systems. Thermocouples, for example, are used extensively in industry to measure temperatures in a wide range of applications. Temperature switches are used to control the temperature of a process or system. All three of these products are essential to properly functioning industrial systems. Whether you need a simple temperature gauge for an easy fix or a sophisticated control system for a large factory, we have the products and expertise to meet your needs. Thermocouples, temperature switches, thermometers, and transmitters are available online, and our knowledgeable staff is always on hand to answer any questions. So please browse our selection today and find the perfect solution for your temperature monitoring needs.

Swivel Joints

Swivel joints are crucial components used to connect pipes or hoses in a fluid system, allowing for rotation and movement in various directions. These versatile joints are commonly employed in industries like oil and gas, chemical processing, and firefighting, where flexible connections are essential to accommodate movement, vibration, and thermal expansion. Swivel joints provide a reliable solution for preventing hose or pipe kinks, reducing stress on equipment, and enabling smooth fluid transfer even in challenging environments. With different sizes, materials, and pressure ratings available, swivel joints offer the flexibility needed to meet specific application requirements and ensure efficient fluid handling.

Flow Control

Explore our comprehensive range of Flow Control products, featuring precision instruments such as flow meters, flow switches, flow transmitters, and flow sensors. Our offerings cater to diverse applications, ensuring accurate and efficient monitoring of fluid flow. Whether you require precise measurement, reliable switching, or advanced sensing capabilities, our Flow Control products provide the necessary solutions. Enhance your system's performance and maintain optimal fluid dynamics with our high-quality and versatile flow control solutions.

PVF

When it comes to instrumentation systems, precision and reliability are key. Pipes, valves, and fittings (PVF) are critical in maintaining accurate measurements, controlling pressure, and ensuring smooth operation in industrial processes. Stauff PVF products are designed to handle high pressures, temperature fluctuations, and corrosive environments, making them ideal for industries like oil and gas, chemical processing, power generation, and manufacturing.

What Stauff PVF Products Does Centro Offer?

Centro provides a full range of Stauff PVF components built for instrumentation applications, including:

  • Instrumentation tubing – High-quality stainless steel tubing for precise fluid and gas control.
  • Needle valves – Allow for fine adjustments and accurate flow regulation.
  • Ball valves – Provide quick on/off control for efficient system management.
  • Check valves – Prevent backflow and protect sensitive instrumentation.
  • Tube fittings and adapters – Available in various configurations to ensure leak-free connections.
  • Manifold valves – Streamline pressure control and system isolation in complex setups.

Why Choose Stauff PVF Products?

  • Precision-engineered for demanding applications.
  • Corrosion-resistant materials ensure durability in harsh environments.
  • Leak-free performance keeps systems running efficiently.
  • Wide compatibility with different instrumentation setups.

Find the Right PVF Solution

Whether you're setting up a new instrumentation system or upgrading existing components, Stauff PVF products offer the reliability and performance you need. Browse our selection online or reach out to our team for expert guidance in choosing the right components for your application.

Hydraulic Accessories

Hydraulic Accessories like O-rings and filters help maintain the performance and reliability of hydraulic systems. O-rings provide a secure seal to prevent fluid leaks, ensuring the system operates efficiently and safely under high-pressure conditions. Filters are essential for removing contaminants from hydraulic fluid, protecting sensitive components from wear and extending the system’s lifespan. At Centro, we offer a wide range of high-quality O-rings and filters to meet the demands of various industrial applications. Contact us to find the right hydraulic accessories for your needs.

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Kobold KSK - Polysulfone Material Plastic Flowmeter and Switch
MPN:KOBOLD-00-KSK-PS
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.

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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.
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Kobold KSM - Plastic Rotameter Flow Meter and Switch
MPN:KOBOLD-00-KSM
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.

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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.
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Kobold KSV - Micro Rotameter Flow Meter
MPN:KOBOLD-00-KSV
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.

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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.
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Kobold MIK - Compact Magneto-Inductive Flowmeter
MPN:KOBOLD-00-MIK
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.

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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.
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Kobold MIM - All-Metal Magnetic Flow Meter
MPN:KOBOLD-00-MIM
"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."

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"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."
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Kobold NKP - Level Switch
MPN:KOBOLD-00-NKP
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.

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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.
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Kobold PPS - Polysulfone Paddle Switch
MPN:KOBOLD-00-PPS
The KOBOLD PPS polysulfone paddle switch delivers cost-effective flow monitoring for pipes 1" and larger with exceptional reliability and virtually no maintenance requirements. Featuring a transparent housing that allows for visual confirmation of switch status via the visible red magnet bearer, this versatile device provides immediate operational feedback at a glance. With a temperature tolerance up to 225°F and negligible pressure drop during operation, the PPS performs efficiently in a wide range of industrial applications without compromising system performance. Installation is straightforward—simply insert into an appropriately sized tee fitting or NPT coupling with PTFE tape—while the trimmable paddle design allows for customization to match specific pipe diameters for optimal sensitivity and the lowest possible switching point. Available with normally open, normally closed, or SPDT reed switch configurations, this economical flow monitor combines durable construction with flexible application options while maintaining IP65/NEMA 4 protection for reliable service in demanding environments.

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The KOBOLD PPS polysulfone paddle switch delivers cost-effective flow monitoring for pipes 1" and larger with exceptional reliability and virtually no maintenance requirements. Featuring a transparent housing that allows for visual confirmation of switch status via the visible red magnet bearer, this versatile device provides immediate operational feedback at a glance. With a temperature tolerance up to 225°F and negligible pressure drop during operation, the PPS performs efficiently in a wide range of industrial applications without compromising system performance. Installation is straightforward—simply insert into an appropriately sized tee fitting or NPT coupling with PTFE tape—while the trimmable paddle design allows for customization to match specific pipe diameters for optimal sensitivity and the lowest possible switching point. Available with normally open, normally closed, or SPDT reed switch configurations, this economical flow monitor combines durable construction with flexible application options while maintaining IP65/NEMA 4 protection for reliable service in demanding environments.
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Kobold PSR/PS - Paddle Type Flow Switch
MPN:KOBOLD-00-PSR-PS
The KOBOLD PSR/PS paddle type flow switch delivers reliable liquid flow monitoring in a simple, economical package featuring an innovative bistable reed contact design with adjustable setpoints for precise control of process conditions. Using a clever mechanical design where flowing media deflects a paddle connected to a balance arm with pre-stressed leaf spring, the unit transmits movement to a permanent magnet that activates the hermetically sealed reed contact housed safely away from the process media. Available in robust brass construction (up to 1450 PSIG) or premium stainless steel versions (up to 3625 PSIG) with various NPT connection sizes from 1/4" to 1-1/2", these versatile units accommodate a wide range of pipe dimensions and flow requirements while maintaining ±15% switching tolerance. The PSR model is designed for direct installation in pipes from 1/4" to 1-1/2" NPT, while the PS version features extended paddles specifically engineered for larger diameter pipes from 2" to 8", with both versions offering cCSAus approved switching capabilities for critical safety applications. With straightforward field-adjustable switching points, easily configured normally open or normally closed operation, and IP65 environmental protection, these dependable units excel in cooling/lubricant circuits, pump dry-run protection, low water level detection, and pipe breakage monitoring without requiring external power.

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The KOBOLD PSR/PS paddle type flow switch delivers reliable liquid flow monitoring in a simple, economical package featuring an innovative bistable reed contact design with adjustable setpoints for precise control of process conditions. Using a clever mechanical design where flowing media deflects a paddle connected to a balance arm with pre-stressed leaf spring, the unit transmits movement to a permanent magnet that activates the hermetically sealed reed contact housed safely away from the process media. Available in robust brass construction (up to 1450 PSIG) or premium stainless steel versions (up to 3625 PSIG) with various NPT connection sizes from 1/4" to 1-1/2", these versatile units accommodate a wide range of pipe dimensions and flow requirements while maintaining ±15% switching tolerance. The PSR model is designed for direct installation in pipes from 1/4" to 1-1/2" NPT, while the PS version features extended paddles specifically engineered for larger diameter pipes from 2" to 8", with both versions offering cCSAus approved switching capabilities for critical safety applications. With straightforward field-adjustable switching points, easily configured normally open or normally closed operation, and IP65 environmental protection, these dependable units excel in cooling/lubricant circuits, pump dry-run protection, low water level detection, and pipe breakage monitoring without requiring external power.
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Kobold REG - Automatic Flow Regulation Valve
MPN:KOBOLD-00-REG
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.

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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.
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Kobold KSK - Polysulfone Material Plastic Flowmeter and Switch
MPN:KOBOLD-00-KSK-PS
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.

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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.
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Kobold KSM - Plastic Rotameter Flow Meter and Switch
MPN:KOBOLD-00-KSM
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.

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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.
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Kobold KSV - Micro Rotameter Flow Meter
MPN:KOBOLD-00-KSV
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.

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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.
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Kobold MIK - Compact Magneto-Inductive Flowmeter
MPN:KOBOLD-00-MIK
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.

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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.
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Kobold MIM - All-Metal Magnetic Flow Meter
MPN:KOBOLD-00-MIM
"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."

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"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."
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Kobold NKP - Level Switch
MPN:KOBOLD-00-NKP
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.

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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.
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Kobold PPS - Polysulfone Paddle Switch
MPN:KOBOLD-00-PPS
The KOBOLD PPS polysulfone paddle switch delivers cost-effective flow monitoring for pipes 1" and larger with exceptional reliability and virtually no maintenance requirements. Featuring a transparent housing that allows for visual confirmation of switch status via the visible red magnet bearer, this versatile device provides immediate operational feedback at a glance. With a temperature tolerance up to 225°F and negligible pressure drop during operation, the PPS performs efficiently in a wide range of industrial applications without compromising system performance. Installation is straightforward—simply insert into an appropriately sized tee fitting or NPT coupling with PTFE tape—while the trimmable paddle design allows for customization to match specific pipe diameters for optimal sensitivity and the lowest possible switching point. Available with normally open, normally closed, or SPDT reed switch configurations, this economical flow monitor combines durable construction with flexible application options while maintaining IP65/NEMA 4 protection for reliable service in demanding environments.

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The KOBOLD PPS polysulfone paddle switch delivers cost-effective flow monitoring for pipes 1" and larger with exceptional reliability and virtually no maintenance requirements. Featuring a transparent housing that allows for visual confirmation of switch status via the visible red magnet bearer, this versatile device provides immediate operational feedback at a glance. With a temperature tolerance up to 225°F and negligible pressure drop during operation, the PPS performs efficiently in a wide range of industrial applications without compromising system performance. Installation is straightforward—simply insert into an appropriately sized tee fitting or NPT coupling with PTFE tape—while the trimmable paddle design allows for customization to match specific pipe diameters for optimal sensitivity and the lowest possible switching point. Available with normally open, normally closed, or SPDT reed switch configurations, this economical flow monitor combines durable construction with flexible application options while maintaining IP65/NEMA 4 protection for reliable service in demanding environments.
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Kobold PSR/PS - Paddle Type Flow Switch
MPN:KOBOLD-00-PSR-PS
The KOBOLD PSR/PS paddle type flow switch delivers reliable liquid flow monitoring in a simple, economical package featuring an innovative bistable reed contact design with adjustable setpoints for precise control of process conditions. Using a clever mechanical design where flowing media deflects a paddle connected to a balance arm with pre-stressed leaf spring, the unit transmits movement to a permanent magnet that activates the hermetically sealed reed contact housed safely away from the process media. Available in robust brass construction (up to 1450 PSIG) or premium stainless steel versions (up to 3625 PSIG) with various NPT connection sizes from 1/4" to 1-1/2", these versatile units accommodate a wide range of pipe dimensions and flow requirements while maintaining ±15% switching tolerance. The PSR model is designed for direct installation in pipes from 1/4" to 1-1/2" NPT, while the PS version features extended paddles specifically engineered for larger diameter pipes from 2" to 8", with both versions offering cCSAus approved switching capabilities for critical safety applications. With straightforward field-adjustable switching points, easily configured normally open or normally closed operation, and IP65 environmental protection, these dependable units excel in cooling/lubricant circuits, pump dry-run protection, low water level detection, and pipe breakage monitoring without requiring external power.

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The KOBOLD PSR/PS paddle type flow switch delivers reliable liquid flow monitoring in a simple, economical package featuring an innovative bistable reed contact design with adjustable setpoints for precise control of process conditions. Using a clever mechanical design where flowing media deflects a paddle connected to a balance arm with pre-stressed leaf spring, the unit transmits movement to a permanent magnet that activates the hermetically sealed reed contact housed safely away from the process media. Available in robust brass construction (up to 1450 PSIG) or premium stainless steel versions (up to 3625 PSIG) with various NPT connection sizes from 1/4" to 1-1/2", these versatile units accommodate a wide range of pipe dimensions and flow requirements while maintaining ±15% switching tolerance. The PSR model is designed for direct installation in pipes from 1/4" to 1-1/2" NPT, while the PS version features extended paddles specifically engineered for larger diameter pipes from 2" to 8", with both versions offering cCSAus approved switching capabilities for critical safety applications. With straightforward field-adjustable switching points, easily configured normally open or normally closed operation, and IP65 environmental protection, these dependable units excel in cooling/lubricant circuits, pump dry-run protection, low water level detection, and pipe breakage monitoring without requiring external power.
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Kobold REG - Automatic Flow Regulation Valve
MPN:KOBOLD-00-REG
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.

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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.
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