Thermocouples and RTDs - Pyromation

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.

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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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

Subject to factory lead times

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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.

$65.35

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

Subject to factory lead times

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

Typically ships within 2 weeks

Subject to factory lead times

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

Subject to factory lead times

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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.

$65.35

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

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

Typically ships within 2 weeks

Subject to factory lead times

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

Typically ships within 2 weeks

Subject to factory lead times