Temperature Measurement, Instrumentation and Control - Pyromation
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, instrumentat...
Categories from Pyromation (3)
Thermocouples and RTDs
Thermocouples and RTDs (Resistance Temperature Detectors) are types of temperature sensors widely used for temperature measurement in industrial processes, HVAC systems, or scientific research. Thermocouples consist of two dissimilar metal wires, generating a voltage proportional to the temperature difference between the sensing junction and the reference junction. RTDs, on the other hand, are temperature sensors with a defined resistance that changes with temperature. Thermocouples and RTDs offer accuracy, reliability, and compatibility with different temperature ranges and environmental conditions, providing precise temperature measurement in diverse applications.
Temperature Transmitters
Transmitters, in the context of sensors, refer to devices that convert the sensor's analog or digital output into a standardized electrical signal for transmission over long distances. They amplify, filter, and condition the sensor signal, ensuring accurate and reliable transmission to monitoring or control systems. Transmitters enable remote monitoring, data acquisition, or integration with control systems in various applications such as industrial automation, process control, or environmental monitoring. They play a crucial role in maintaining signal integrity, minimizing noise, and ensuring seamless communication between sensors and monitoring systems.
Temperature Accessories
Temperature accessories for industrial instrumentation are specialized components that support accurate and reliable temperature measurement and control in process systems.
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The Pyromation Angle Thermocouple with Industrial Protection Tubes is engineered to provide precise temperature measurement in applications where straight-entry installation is not possible. Its 90-degree angled design allows for easy routing around obstructions and efficient integration into tight or complex equipment layouts, all while maintaining the accuracy, durability, and reliability Pyromation is known for.
Each assembly incorporates a high-quality thermocouple element housed within a rugged protection tube designed to defend against extreme temperatures, corrosive atmospheres, abrasive media, and mechanical stress. This combination ensures long service life and stable performance in demanding industrial environments.
$260.07
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Direct Immersion Thermocouple is a rugged, fast-responding temperature sensor designed to be inserted directly into a process without the use of a thermowell. Engineered for superior heat transfer and rapid thermal response, this thermocouple delivers accurate, reliable temperature measurement in demanding industrial environments where speed, durability, and simplicity are essential.
Available in a variety of calibrations, sheath materials, and mounting styles, Pyromation’s direct immersion thermocouples are trusted across industries for their robust performance and long service life.
$136.34$191.73
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
MPN:HL09-R1T185L483-012-00-8HN93
The Pyromation Hazardous Location Direct Immersion RTD Assembly is a rugged, high-accuracy temperature sensor engineered specifically for environments where flammable gases, vapors, dust, or ignitable fibers may be present. Designed to be directly immersed into a process without the need for a separate thermowell, this assembly provides fast response, excellent reliability, and safe operation in hazardous-rated industrial applications.
Built to meet stringent NEC, CSA, and ATEX/IECEx hazardous-location requirements, it delivers precise temperature measurement in some of the toughest and most safety-critical process conditions.
$276.31
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Direct Immersion Thermocouple is a robust, high-accuracy temperature sensor engineered for direct insertion into process media within classified or explosive environments. Designed to meet stringent hazardous-area safety standards, this thermocouple provides fast response times, dependable accuracy, and long-term durability, making it ideal for critical process applications where safety and performance cannot be compromised.
Built with rugged materials and certified explosion-proof or intrinsically safe components, this assembly ensures safe, reliable temperature monitoring in industries such as oil & gas, chemical processing, refining, and more.
$216.00
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Heat Trace RTD is a rugged, high-accuracy resistance temperature detector specifically engineered for monitoring electrically heat-traced piping, vessels, and process lines in hazardous or classified industrial environments. Designed for long-term reliability in demanding temperature-maintenance systems, this RTD provides precise temperature feedback to ensure safe, efficient, and consistent heat trace operation, even in volatile atmospheres.
Built to meet NEC/CEC, CSA, and ATEX/IECEx hazardous-location requirements, it delivers stable temperature measurement crucial for freeze protection, viscosity control, and process stability across a wide range of industries.
$235.97
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Heat Trace Thermocouple is a rugged, precision-engineered temperature sensor designed specifically for monitoring electrically heat-traced piping, vessels, and process equipment in hazardous or classified industrial environments. Built to withstand extreme conditions, this thermocouple provides fast, accurate measurements to ensure reliable heat-trace control, freeze protection, and process consistency, even in areas exposed to flammable gases, vapors, or combustible dust.
With certified hazardous-location connection heads, durable sheath materials, and customizable mounting options, this thermocouple delivers dependable performance in safety-critical heat-trace applications.
$207.73
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Industrial Thermocouples with Protection Tubes are rugged, high-reliability temperature sensors engineered for harsh process environments where extreme heat, abrasion, chemical exposure, or mechanical stress is present. These assemblies pair Pyromation’s precision thermocouple elements with heavy-duty protection tubes, creating a long-lasting solution suitable for demanding industrial applications such as furnaces, kilns, incinerators, chemical reactors, and molten metal operations.
With multiple tube materials, thermocouple types, and mounting configurations available, Pyromation delivers durable temperature measurement solutions that thrive where standard sensors cannot.
$245.55
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation JBA3-F3B072-4-CCLS is a premium spring-adjustable immersion thermocouple designed for flexible, reliable temperature measurement in industrial processes. Its bayonet-style cap on a spring allows the sensor’s insertion depth to be adjusted between ~½″ and 7″, making it ideal when sensor depth may need alteration without full reinstallation. With 6 ft (72 in) fiberglass-insulated leads, a standard plug termination (option 4), cable clamp strain relief (CC), and a long spring (LS), this unit is well suited for versatile installations with wiring safety in harsh environments.
$64.74
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation T142C-D-00 is a high-performance, field-mountable temperature transmitter built for industrial environments, including hazardous areas. Housed in a rugged, explosion-proof aluminum shell (code “C”), it includes a glass cover and integral digital display (code “D”). The unit is shipped in an unconfigured state (“00”) to allow flexible setup for thermocouple, RTD, voltage, or millivolt sensor inputs. With 2-wire 4–20 mA HART protocol output and full configuration capability, it is ideal for precise, scalable temperature control applications.
$1,628.60
Low Stock (4)Ships within 1 business day
The Pyromation Standard Head-Mounted RTD and Thermocouple Transmitter is a versatile and reliable signal-conditioning solution engineered for modern industrial temperature measurement. Designed to fit standard DIN form B connection heads, this compact transmitter accepts a wide range of RTD and thermocouple inputs, converting them into a stable, noise-immune 4–20 mA output for seamless integration with process control systems.
Built for durability and accuracy, this transmitter enhances measurement reliability by reducing lead-wire errors, minimizing signal drift, and maintaining tight linearity across all supported temperature ranges. Its rugged design and easy installation make it a trusted choice for a broad spectrum of industrial sensing applications.
$254.12
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation’s Standard Head-Mounted RTD Transmitter is designed to provide accurate, stable, and reliable temperature signal conditioning in a compact, industry-standard form factor. Built for easy integration into terminal heads and field enclosures, this transmitter converts RTD sensor input into a robust 4–20 mA output, ensuring dependable performance across a wide range of industrial applications.
Engineered for precision, durability, and fast setup, the Pyromation head-mounted transmitter enhances measurement integrity by minimizing signal noise, reducing lead-wire effects, and delivering consistent output even in electrically or environmentally demanding locations.
$171.43
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation’s Standard Head-Mounted RTD & Thermocouple Transmitter with HART® Protocol delivers high-performance temperature signal conditioning in a compact, field-ready design. Engineered to support both RTD and thermocouple sensors, this intelligent transmitter provides precise temperature measurement, advanced digital communication, and seamless integration into modern process control systems.
Designed to fit standard DIN form B connection heads, the transmitter converts a wide range of sensor inputs into a stable 4–20 mA output signal while offering full HART® capability for remote configuration, diagnostics, and real-time process monitoring. This combination of flexibility and intelligence makes it an ideal solution for demanding industrial environments requiring accuracy, reliability, and advanced control capability.
$453.79
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation R1T185L483-005(1/2)-SL-8HN49 is a high-precision, spring-loaded platinum RTD sensor assembly designed for demanding process conditions. The spring-loaded design ensures firm contact between the sensing element and the internal surface of a matched thermowell, improving thermal conduction and response. With a 5″ immersion length and a robust general-purpose connection head, this sensor is ideal for temperature measurement in flow systems, pipes, or vessels where the sensor may need to be removed without draining the system.
$212.47
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Standard Spring-Loaded Thermocouple Assembly is a durable, high-performance temperature sensor designed to provide accurate and responsive temperature measurements when installed in a thermowell. The spring-loaded design ensures continuous contact between the thermocouple tip and the bottom of the thermowell, improving heat transfer, ensuring precise readings, and reducing measurement lag. Engineered for long service life in demanding industrial environments, this assembly is a reliable choice for process control applications across a wide range of industries.
$149.15
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Thermocouple with Leadwire is a versatile, fast-responding temperature sensor designed for direct immersion or surface monitoring in a wide range of industrial processes. Built for durability and accuracy, this thermocouple features an integral leadwire extension that allows for easy routing to junction boxes, transmitters, or control panels, making it ideal for OEM equipment, process skids, maintenance replacements, and new installations.
Available in multiple thermocouple types, sheath materials, and insulation options, Pyromation’s leadwire thermocouples offer reliable performance in applications ranging from general industrial service to high-temperature and harsh-environment monitoring.
$101.75
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
MPN:R1T185L483-024-VCL-00-F3012-2
Pyromation’s Variable Cut-to-Length RTDs are versatile, field-modifiable temperature sensors designed for quick installation into existing thermowells without the need for custom probe lengths or long manufacturing lead times. These assemblies allow technicians to trim the probe to the exact required immersion length on-site, ensuring a perfect fit, optimal thermal contact, and highly accurate temperature measurement in a wide range of industrial applications.
Engineered for efficiency, flexibility, and reduced downtime, these RTDs are ideal for maintenance crews, OEMs, and facilities looking for a reliable, adaptable solution that fits virtually any thermowell configuration.
$129.28
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation Pipe mounting bracket for use on pipes with a diameter between 1.5" to 3.3" for Series 642 Programmable HART Field Temperature Transmitter
$98.83
In Stock (6)Ships within 1 business day
PYROMATION 460315 Zinc-Plated Retaining Ring is a corrosion-resistant steel fastener used in Pyromation’s temperature sensor assemblies to hold components securely in place.
$1.96
Available for Purchase
Subject to factory lead times
Pyromation 6HN-CC-250-SCU is a specialized fitting intended for integration with temperature sensor assemblies. It features a self-contained spring-loaded design, meaning the spring mechanism is built into the fitting itself, enabling a sensor’s element (RTD or thermocouple) to be held firmly without requiring an external spring. The fitting is machined from carbon steel with double NPT threads (½″ × ½″), and the 0.250 in size corresponds to a ¼″ nominal diameter. The “U” suffix denotes a variant or upgraded version of the SC model.
$20.44
Low Stock (1)Ships within 1 business day
Pyromation The Pyromation R1T185L483-024-VCL-F3012-2 is a high-accuracy, industrial-grade Platinum RTD (Resistance Temperature Detector) designed for reliable temperature measurement in process environments. Built with a stainless-steel sheath and a 3-wire configuration, it provides stable, repeatable, and precise readings across a wide operating range. With a 24″ probe length, durable lead wire insulation, and a rugged connection head assembly, this RTD is ideal for applications in chemical processing, food & beverage, pharmaceuticals, power generation, and general industrial monitoring.
$129.28
Low Stock (2)Ships within 1 business day
Pyromation S4D0829 is a precision thermowell designed for process environments requiring reliable protection of temperature sensors (RTDs, thermocouples). The “S4D” series denotes a standard-duty, single-bore, straight-shank thermowell with a 0.260 in internal diameter (bore) and a ¾″ pipe thread connection. This particular version is fabricated in Hastelloy C, offering excellent corrosion resistance in aggressive chemical environments. The “29” suffix denotes the well’s U-length or custom manufacturing length/code
$372.75$497.00
Low Stock (4)Ships within 1 business day
Pyromation S4D2429 is a robust, standard-duty thermowell engineered to shield temperature sensors (RTDs, thermocouples) from harsh process conditions. Its 24″ length allows deep insertion into pipelines, vessels, or process streams. The 0.260″ internal bore accommodates standard sensors, and the ¾″ NPT threaded connection ensures compatibility with common process fittings. The “29” suffix denotes special material or option variants—confirm specific metallurgy when ordering.
$1,482.38
Available for Purchase
Subject to factory lead times
Pyromation SF415R31008 is a rugged, industrial thermocouple sensor designed for reliable temperature measurement in challenging process environments. Built with Pyromation’s SF415 series construction, this sensor features a robust protection tube, premium thermocouple element, and a durable connection head fitted for field terminations. Its design ensures dependable performance even under thermal, mechanical, and chemical stresses.
$417.75$557.00
Low Stock (3)Ships within 1 business day
Pyromation SF415R31108 is an industrial-grade flanged thermowell engineered to protect temperature sensors from direct exposure to process media. Constructed of 316 stainless steel with a robust 1.5″, 300 # flange, this model has a nominal 9″ insertion depth to penetrate into process streams. Its design allows for easy sensor removal and maintenance without process interruption. Compatible with noble metal thermocouples (especially Type R) or other sensor assemblies, it is suitable for demanding environments where corrosion resistance and mechanical strength are required.
$417.75$557.00
Low Stock (1)Ships within 1 business day
The Pyromation Angle Thermocouple with Industrial Protection Tubes is engineered to provide precise temperature measurement in applications where straight-entry installation is not possible. Its 90-degree angled design allows for easy routing around obstructions and efficient integration into tight or complex equipment layouts, all while maintaining the accuracy, durability, and reliability Pyromation is known for.
Each assembly incorporates a high-quality thermocouple element housed within a rugged protection tube designed to defend against extreme temperatures, corrosive atmospheres, abrasive media, and mechanical stress. This combination ensures long service life and stable performance in demanding industrial environments.
$260.07
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Direct Immersion Thermocouple is a rugged, fast-responding temperature sensor designed to be inserted directly into a process without the use of a thermowell. Engineered for superior heat transfer and rapid thermal response, this thermocouple delivers accurate, reliable temperature measurement in demanding industrial environments where speed, durability, and simplicity are essential.
Available in a variety of calibrations, sheath materials, and mounting styles, Pyromation’s direct immersion thermocouples are trusted across industries for their robust performance and long service life.
$136.34$191.73
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
MPN:HL09-R1T185L483-012-00-8HN93
The Pyromation Hazardous Location Direct Immersion RTD Assembly is a rugged, high-accuracy temperature sensor engineered specifically for environments where flammable gases, vapors, dust, or ignitable fibers may be present. Designed to be directly immersed into a process without the need for a separate thermowell, this assembly provides fast response, excellent reliability, and safe operation in hazardous-rated industrial applications.
Built to meet stringent NEC, CSA, and ATEX/IECEx hazardous-location requirements, it delivers precise temperature measurement in some of the toughest and most safety-critical process conditions.
$276.31
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Direct Immersion Thermocouple is a robust, high-accuracy temperature sensor engineered for direct insertion into process media within classified or explosive environments. Designed to meet stringent hazardous-area safety standards, this thermocouple provides fast response times, dependable accuracy, and long-term durability, making it ideal for critical process applications where safety and performance cannot be compromised.
Built with rugged materials and certified explosion-proof or intrinsically safe components, this assembly ensures safe, reliable temperature monitoring in industries such as oil & gas, chemical processing, refining, and more.
$216.00
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Heat Trace RTD is a rugged, high-accuracy resistance temperature detector specifically engineered for monitoring electrically heat-traced piping, vessels, and process lines in hazardous or classified industrial environments. Designed for long-term reliability in demanding temperature-maintenance systems, this RTD provides precise temperature feedback to ensure safe, efficient, and consistent heat trace operation, even in volatile atmospheres.
Built to meet NEC/CEC, CSA, and ATEX/IECEx hazardous-location requirements, it delivers stable temperature measurement crucial for freeze protection, viscosity control, and process stability across a wide range of industries.
$235.97
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Hazardous Location Heat Trace Thermocouple is a rugged, precision-engineered temperature sensor designed specifically for monitoring electrically heat-traced piping, vessels, and process equipment in hazardous or classified industrial environments. Built to withstand extreme conditions, this thermocouple provides fast, accurate measurements to ensure reliable heat-trace control, freeze protection, and process consistency, even in areas exposed to flammable gases, vapors, or combustible dust.
With certified hazardous-location connection heads, durable sheath materials, and customizable mounting options, this thermocouple delivers dependable performance in safety-critical heat-trace applications.
$207.73
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Industrial Thermocouples with Protection Tubes are rugged, high-reliability temperature sensors engineered for harsh process environments where extreme heat, abrasion, chemical exposure, or mechanical stress is present. These assemblies pair Pyromation’s precision thermocouple elements with heavy-duty protection tubes, creating a long-lasting solution suitable for demanding industrial applications such as furnaces, kilns, incinerators, chemical reactors, and molten metal operations.
With multiple tube materials, thermocouple types, and mounting configurations available, Pyromation delivers durable temperature measurement solutions that thrive where standard sensors cannot.
$245.55
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation JBA3-F3B072-4-CCLS is a premium spring-adjustable immersion thermocouple designed for flexible, reliable temperature measurement in industrial processes. Its bayonet-style cap on a spring allows the sensor’s insertion depth to be adjusted between ~½″ and 7″, making it ideal when sensor depth may need alteration without full reinstallation. With 6 ft (72 in) fiberglass-insulated leads, a standard plug termination (option 4), cable clamp strain relief (CC), and a long spring (LS), this unit is well suited for versatile installations with wiring safety in harsh environments.
$64.74
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation T142C-D-00 is a high-performance, field-mountable temperature transmitter built for industrial environments, including hazardous areas. Housed in a rugged, explosion-proof aluminum shell (code “C”), it includes a glass cover and integral digital display (code “D”). The unit is shipped in an unconfigured state (“00”) to allow flexible setup for thermocouple, RTD, voltage, or millivolt sensor inputs. With 2-wire 4–20 mA HART protocol output and full configuration capability, it is ideal for precise, scalable temperature control applications.
$1,628.60
Low Stock (4)Ships within 1 business day
The Pyromation Standard Head-Mounted RTD and Thermocouple Transmitter is a versatile and reliable signal-conditioning solution engineered for modern industrial temperature measurement. Designed to fit standard DIN form B connection heads, this compact transmitter accepts a wide range of RTD and thermocouple inputs, converting them into a stable, noise-immune 4–20 mA output for seamless integration with process control systems.
Built for durability and accuracy, this transmitter enhances measurement reliability by reducing lead-wire errors, minimizing signal drift, and maintaining tight linearity across all supported temperature ranges. Its rugged design and easy installation make it a trusted choice for a broad spectrum of industrial sensing applications.
$254.12
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation’s Standard Head-Mounted RTD Transmitter is designed to provide accurate, stable, and reliable temperature signal conditioning in a compact, industry-standard form factor. Built for easy integration into terminal heads and field enclosures, this transmitter converts RTD sensor input into a robust 4–20 mA output, ensuring dependable performance across a wide range of industrial applications.
Engineered for precision, durability, and fast setup, the Pyromation head-mounted transmitter enhances measurement integrity by minimizing signal noise, reducing lead-wire effects, and delivering consistent output even in electrically or environmentally demanding locations.
$171.43
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation’s Standard Head-Mounted RTD & Thermocouple Transmitter with HART® Protocol delivers high-performance temperature signal conditioning in a compact, field-ready design. Engineered to support both RTD and thermocouple sensors, this intelligent transmitter provides precise temperature measurement, advanced digital communication, and seamless integration into modern process control systems.
Designed to fit standard DIN form B connection heads, the transmitter converts a wide range of sensor inputs into a stable 4–20 mA output signal while offering full HART® capability for remote configuration, diagnostics, and real-time process monitoring. This combination of flexibility and intelligence makes it an ideal solution for demanding industrial environments requiring accuracy, reliability, and advanced control capability.
$453.79
Should ship between 31 Oct and 03 Nov
Subject to factory lead times
Pyromation R1T185L483-005(1/2)-SL-8HN49 is a high-precision, spring-loaded platinum RTD sensor assembly designed for demanding process conditions. The spring-loaded design ensures firm contact between the sensing element and the internal surface of a matched thermowell, improving thermal conduction and response. With a 5″ immersion length and a robust general-purpose connection head, this sensor is ideal for temperature measurement in flow systems, pipes, or vessels where the sensor may need to be removed without draining the system.
$212.47
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Standard Spring-Loaded Thermocouple Assembly is a durable, high-performance temperature sensor designed to provide accurate and responsive temperature measurements when installed in a thermowell. The spring-loaded design ensures continuous contact between the thermocouple tip and the bottom of the thermowell, improving heat transfer, ensuring precise readings, and reducing measurement lag. Engineered for long service life in demanding industrial environments, this assembly is a reliable choice for process control applications across a wide range of industries.
$149.15
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
The Pyromation Thermocouple with Leadwire is a versatile, fast-responding temperature sensor designed for direct immersion or surface monitoring in a wide range of industrial processes. Built for durability and accuracy, this thermocouple features an integral leadwire extension that allows for easy routing to junction boxes, transmitters, or control panels, making it ideal for OEM equipment, process skids, maintenance replacements, and new installations.
Available in multiple thermocouple types, sheath materials, and insulation options, Pyromation’s leadwire thermocouples offer reliable performance in applications ranging from general industrial service to high-temperature and harsh-environment monitoring.
$101.75
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
MPN:R1T185L483-024-VCL-00-F3012-2
Pyromation’s Variable Cut-to-Length RTDs are versatile, field-modifiable temperature sensors designed for quick installation into existing thermowells without the need for custom probe lengths or long manufacturing lead times. These assemblies allow technicians to trim the probe to the exact required immersion length on-site, ensuring a perfect fit, optimal thermal contact, and highly accurate temperature measurement in a wide range of industrial applications.
Engineered for efficiency, flexibility, and reduced downtime, these RTDs are ideal for maintenance crews, OEMs, and facilities looking for a reliable, adaptable solution that fits virtually any thermowell configuration.
$129.28
Should ship between 07 Nov and 14 Nov
Subject to factory lead times
Pyromation Pipe mounting bracket for use on pipes with a diameter between 1.5" to 3.3" for Series 642 Programmable HART Field Temperature Transmitter
$98.83
In Stock (6)Ships within 1 business day
PYROMATION 460315 Zinc-Plated Retaining Ring is a corrosion-resistant steel fastener used in Pyromation’s temperature sensor assemblies to hold components securely in place.
$1.96
Available for Purchase
Subject to factory lead times
Pyromation 6HN-CC-250-SCU is a specialized fitting intended for integration with temperature sensor assemblies. It features a self-contained spring-loaded design, meaning the spring mechanism is built into the fitting itself, enabling a sensor’s element (RTD or thermocouple) to be held firmly without requiring an external spring. The fitting is machined from carbon steel with double NPT threads (½″ × ½″), and the 0.250 in size corresponds to a ¼″ nominal diameter. The “U” suffix denotes a variant or upgraded version of the SC model.
$20.44
Low Stock (1)Ships within 1 business day
Pyromation The Pyromation R1T185L483-024-VCL-F3012-2 is a high-accuracy, industrial-grade Platinum RTD (Resistance Temperature Detector) designed for reliable temperature measurement in process environments. Built with a stainless-steel sheath and a 3-wire configuration, it provides stable, repeatable, and precise readings across a wide operating range. With a 24″ probe length, durable lead wire insulation, and a rugged connection head assembly, this RTD is ideal for applications in chemical processing, food & beverage, pharmaceuticals, power generation, and general industrial monitoring.
$129.28
Low Stock (2)Ships within 1 business day
Pyromation S4D0829 is a precision thermowell designed for process environments requiring reliable protection of temperature sensors (RTDs, thermocouples). The “S4D” series denotes a standard-duty, single-bore, straight-shank thermowell with a 0.260 in internal diameter (bore) and a ¾″ pipe thread connection. This particular version is fabricated in Hastelloy C, offering excellent corrosion resistance in aggressive chemical environments. The “29” suffix denotes the well’s U-length or custom manufacturing length/code
$372.75$497.00
Low Stock (4)Ships within 1 business day
Pyromation S4D2429 is a robust, standard-duty thermowell engineered to shield temperature sensors (RTDs, thermocouples) from harsh process conditions. Its 24″ length allows deep insertion into pipelines, vessels, or process streams. The 0.260″ internal bore accommodates standard sensors, and the ¾″ NPT threaded connection ensures compatibility with common process fittings. The “29” suffix denotes special material or option variants—confirm specific metallurgy when ordering.
$1,482.38
Available for Purchase
Subject to factory lead times
Pyromation SF415R31008 is a rugged, industrial thermocouple sensor designed for reliable temperature measurement in challenging process environments. Built with Pyromation’s SF415 series construction, this sensor features a robust protection tube, premium thermocouple element, and a durable connection head fitted for field terminations. Its design ensures dependable performance even under thermal, mechanical, and chemical stresses.
$417.75$557.00
Low Stock (3)Ships within 1 business day
Pyromation SF415R31108 is an industrial-grade flanged thermowell engineered to protect temperature sensors from direct exposure to process media. Constructed of 316 stainless steel with a robust 1.5″, 300 # flange, this model has a nominal 9″ insertion depth to penetrate into process streams. Its design allows for easy sensor removal and maintenance without process interruption. Compatible with noble metal thermocouples (especially Type R) or other sensor assemblies, it is suitable for demanding environments where corrosion resistance and mechanical strength are required.
$417.75$557.00
Low Stock (1)Ships within 1 business day
FAQS
- Industrial temperature measurement uses sensors inserted into or mounted on the process to convert thermal energy into a readable signal. The most common sensor types are thermocouples (two dissimilar metal wires joined at a tip that generate a small voltage proportional to temperature — rugged, inexpensive, and covering the widest range from cryogenic to over 3,000°F), RTDs (Resistance Temperature Detectors — a platinum element whose resistance changes predictably with temperature, offering higher accuracy and stability than thermocouples but at a higher cost and a narrower range up to ~1,200°F), and bimetal thermometers (a mechanical dial indicator using a coiled bimetallic strip — no power required, used for local visual indication). For non-contact measurement, infrared pyrometers measure emitted thermal radiation and are used where sensors cannot physically touch the target. The sensor output is typically sent through a temperature transmitter that converts it to a standard 4–20 mA signal for the PLC or DCS.
- Thermocouples and RTDs are both sensors that measure temperature, but they work differently and have distinct strengths. A thermocouple generates a millivolt signal based on the temperature difference between its measuring junction and the reference junction — it is self-powered, very rugged, responds quickly, and covers an extremely wide temperature range (some types reach 3,200°F+). However, thermocouple accuracy is typically ±1–2°C and the signal can drift over time. An RTD uses a precision platinum element whose electrical resistance increases linearly with temperature — it provides much better accuracy (±0.1–0.5°C), excellent long-term stability, and a more linear signal, but it costs more, is more fragile, requires an excitation current, and is limited to about 1,200°F. Choose a thermocouple when you need wide range, fast response, or low cost in harsh environments. Choose an RTD when accuracy and stability are the priority, especially in the –200°F to 1,000°F range.
- Thermocouple types are designated by letter (J, K, T, E, N, R, S, B) and each has a different temperature range, accuracy, and chemical compatibility. Type K (chromel-alumel) is the most widely used general-purpose thermocouple — it covers –328°F to 2,282°F and works well in oxidizing atmospheres. Type J (iron-constantan) is popular for lower-temperature applications up to about 1,400°F and is common in plastics, rubber, and older equipment, but it is not suitable for oxidizing environments above 1,000°F because the iron wire oxidizes. Type T (copper-constantan) offers excellent accuracy at low temperatures down to –328°F and is used in food, pharmaceutical, and cryogenic applications. For very high temperatures (up to 3,200°F), noble metal types R, S, and B use platinum-rhodium wires but are expensive. Select the type based on your temperature range, the atmosphere or media the thermocouple will be exposed to, the required accuracy, and compatibility with your existing instrumentation.
- A temperature transmitter is a device that converts the low-level signal from a thermocouple or RTD into a standard, noise-immune output signal — typically 4–20 mA analog or a digital protocol like HART — that can be transmitted over long cable runs to a PLC, DCS, or recorder. Without a transmitter, the raw millivolt signal from a thermocouple is very susceptible to electrical noise, especially in industrial environments with VFDs, motors, and welding equipment nearby. A transmitter amplifies and conditions the signal close to the sensor, dramatically improving signal integrity and measurement accuracy. Transmitters also provide linearization (correcting the non-linear thermocouple signal), cold-junction compensation, sensor burnout detection, and diagnostic information. You need a transmitter whenever the distance between the sensor and the control system is more than a few feet, when accuracy matters, or when you need to integrate the temperature signal into a 4–20 mA loop or digital fieldbus network.
- A temperature switch is a device that opens or closes an electrical contact when the measured temperature reaches a preset value — it provides a simple on/off signal rather than a continuous measurement. Temperature switches are used for protection and alarm functions where you need to trigger an action at a specific temperature threshold: shutting down a motor if bearing temperature exceeds a limit, activating a cooling fan when a cabinet gets too hot, triggering an alarm if a tank heater overheats, or interlocking a process to prevent operation outside safe temperature limits. Use a temperature switch when you only need to know whether temperature is above or below a set point and need a reliable, independent safety device. Use a transmitter when you need to continuously monitor the actual temperature value, trend it over time, or feed it into a control loop. In many critical applications, both are used together — a transmitter for monitoring and control, and an independent temperature switch as a safety backup.