Temperature Transmitters or sometimes called Resistance thermal diodes (RTDs), also known as resistance thermometers, accurately sense process temperatures with a high degree of repeat-ability and interchangeability of elements. The RTD is composed of metallic elements which change in resistance as a function of temperature.
In addition, while in operation, a small excitation current is passed across the element / voltage, which is proportional to resistance. It is then measured and converted to units of temperature calibration in resistance format or coupled with a “puck” to a signal preferred (4-20ma, Exi ratings, 0-10vdc, etc.).
Furthermore, the RTD element is manufactured by winding a wire (wire wound elements) or plating a film (thin film elements) on a ceramic or glass core and sealing the element within a ceramic or glass capsule.
Also, since most resistance temperature detectors and resistance thermometers have a low initial resistance, often 100 ohms, and have a small change in resistance per unit of temperature range, the resistance of the lead wire is often compensated for. By selecting the proper elements and protective sheathing, RTDs can operate in a temperature range of (-200 to 650) °C [-328 to 1202] °F.
Furthermore, SRS also manufactures resistance thermal diodes for many industrial type applications. From single- or dual-element RTDs, PT100s-PT1000s, to Sanitary CIP configurations.
Finally, our product engineers will design an RTD measurement device for your specific application, including temperature sensor assemblies that require connection heads, thermowells and/or transmitters for various industrial general duty, sanitary or explosive environments.
Energy and Power Uses for Temperature Transmitters
SRS produces a number of temperature sensors for various applications in the energy/power Industry. Sensors for wind turbine bearings, boiler and piping systems, we make sensors for almost any power application.
Finally, specific sensor assemblies include thermowells and are fitted with transmitters when remote readings are required. Extremely accurate RTD sensors are available for application that require precision accuracy.
Aerospace Uses for Temperature Transmitters
Production of components for the aerospace industry requires reliable, precise temperature measurement which SRS can provide through different sensors and configurations.
Hence, various types including and configurations which include protection tubes, general purpose RTDs which are available direct immersion, composite mixing, forming or other processes.
Aggregate Uses for Temperature Transmitters
For asphalt and cement mixing and drying applications, SRS produces temperature sensors, including abrasion-resistant RTD’s, for use in these industries. Most sensor assemblies are constructed with connection heads and various types of protection tubes.
Chemical Uses for Temperature Transmitters
The chemical industry incorporates various specialties with their own unique specific process requirements. SRS produces temperature sensors that meet these application specifications within each industry. SRS has designed and developed many sanitary CIP (Clean-In-Place) sensors that are 3-A approved.
Also, SRS builds a variety of explosion-proof sensor assemblies, which are approved by UL and FM for use in hazardous locations in the U.S. and Canada. For more corrosive environments and acid based applications, we manufacture sensors with protection tubes, made of materials particular for each application.
Food Industry Uses for Temperature Transmitters
SRS produces temperature sensors for the food, beverage and dairy industries. Many of these sensors are sanitary CIP (Clean In Place) for convenient wash downs and are 3A approved. We have sensors to meet High Temperature, Short Test (HTST) requirements for pasteurization.
Finally, there are various sensor sizes, clamps, gaskets, fittings to meet different applications. Also, the transmitters are built into RTD assemblies for specific applications. While penetration style RTDs are available for use in fresh and frozen meat, fish, poultry, dough and other food products.
Heat Tracing Uses for Temperature Transmitters
Also, in the heat treating industry, SRS can provide a solution for their temperature sensor needs.
HVAC Uses for Temperature Transmitters
SRS makes temperature sensors for commercial HVAC applications. vMost sensors are available with 4-20 mA transmitter options. Duct areas requiring an average temperature of multiple points within the system can use our RTD Averaging Sensor.
Incineration Uses for Temperature Transmitters
Moreover, medium to high temperature sensors for incineration applications are available in a variety of options from SRS. The protection tubes on these sensors range from standard service for low-corrosive environments to Recrystallized Silicon Carbide (RSiC) for highly corrosive applications. These sensors can be calibrated to comply with EPA guidelines.
Medical Uses for Temperature Transmitters
SRS makes precise, accurate sensors used in the medical industry. Many of these assemblies are sanitary Clean-In-Place (CIP) sensors that are available with transmitters and thermowell protection and are 3-A approved.
Also, almost all sensors are precise in temperature measurement, SRS’s accuracy and repeatability is most noteworthy amongst its competitors. Some of the sensors are designed for fast response times – critical in laboratories and environmental chambers. More rugged sensors are available for use in the high-temperature stress found in medical autoclaves and sterilization equipment.
Metal Fabrication Uses for Temperature Transmitters
First of all, SRS makes a variety of rugged protection tubes for the metal processing industry. We make Magnesium Oxide (MgO) RTDS for heat treating applications. Angle thermocouples, or “over-the-side” sensors with protection tubes are also available.
Consequently, most sensor assemblies for use in this industry are produced with connection heads and protection tubes. SRS RTD’s are used to measure the process temperature of many metals, including copper, steel, aluminum, nickel, platinum and others.
Mining Uses for Temperature Transmitters
SRS manufactures a variety of RTD assemblies to measure temperature in refining and mineral processing applications. vFor rugged applications, specific sensor assemblies are available with thermowell protection.
Also, we produce RTD’s for use in engine monitoring in heavy-duty mining vehicles and equipment.
Oil and Gas Uses for Temperature Transmitters
For the multiple processes in the extraction, production, refining and distribution of oil, gas and other petrochemicals, SRS offers a number of temperature sensors. Among these, our Teflon“-coated assemblies resist corrosion and chemical attack.
Also, these sensor assemblies are built for direct immersion in the process, while other types are constructed with a thermowell for protection. Heat tracing sensors are available to measure surface temperature of pipes within systems.
Furthermore, SRS’s use of explosion-proof sensor assemblies arevapproved by FM and UL, CE and CSA ratings which carries a broad lSA for use in U.S. and Canadian hazardous locations. Most of these assemblies are available with transmitter options.
In Conclusion, it can also be used for use in engine monitoring in heavy-duty distribution vehicles and extraction equipment.
Pharmaceuticals Uses for Temperature Transmitters
SRS provides many temperature sensors for the specific needs of the pharmaceutical industry. For sanitary applications, we produce a line of Clean-In-Place (CIP) sensors with connection heads, which are 3-A approved and typically have Transmitters built in. Other sensors are designed for immersion or surface measurement in the injection molding and packaging side of the industry.
Furthermore, besides having CIP assemblies, some sensors have a quick-disconnect plug for easy removal. Also, while maintaining a moisture-resistant seal when connected. Also, for more corrosive environments, such as incineration or disposal of waste, we manufacture sensors with protection tubes, made of materials particular for each application.
Waste / Water Uses for Temperature Transmitters
Finally, we produce temperature sensor assemblies with connection heads for wastewater treatment applications. Specific sensors are available with thermowell protection for heavy-duty service. These sensors can be calibrated to comply with EPA guidelines.
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