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RTD Sensor Manufacturers and Companies

IQS Directory provides an extensive list of RTD sensor manufacturers and suppliers. Utilize our website to review and source RTD sensor manufacturers with our easy-to-use features which allow you to locate RTD sensor companies that will design, engineer, and manufacture RTD sensors for your exact specifications. Our request for quote forms make it easy to connect with leading RTD sensor manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for heat sensors, thermistors, or temperature sensors.

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In business since 1972, Thermo Sensors Corporation is a leading RTD sensor manufacturer and offers an array of other products and services. Thermo Sensors provides the chemical, petrochemical, refining, food, pharmaceutical and other industries with options of standard & special designs. We are dedicated to our extensive quality control program which truly makes us an innovator in the RTD sensor industry.
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Thermal Devices is your source distributor for industrial RTD sensors and many other temperature handling equipment and products. We are determined to provide you with a positive shopping experience, including excellent customer service, quality products, affordable pricing and speedy delivery.
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Thermocouple Technology (TTEC) manufacturers a vast array of RTD sensors designed to maximum accuracy, speed of response, and longevity. In addition to our standard product lines, we provide custom designed sensors daily. With over 10,000 designs in our database, we have the experience, knowledge and resources required to provide innovative solutions. Key us in to the details of your application and we will be sure to line you up with what you are looking for.
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Our measurement instrumentation delivers outstanding performance even under the toughest conditions - in hot, cold, or highly flammable environments. Our temperature transmitters for rail mounting, head mounting ore field mounting are the instruments of professionals delivering high-precision readings, maximum reliability and compatibility with various sensors.
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Thermometrics is certified by the Small Business Association and is proud of our ability to custom design any sensor you need. Our manufacturing capabilities include digital temperature sensors, RTDs and thermocouples as well as many other temperature elements and temperature sensors.
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Temperature Specialists, Inc. is a custom manufacturer for all your RTD sensor needs. RoHS compliant, we strive to provide our customers with the best user experience possible. We can manufacture in any size and resistance values, and can match special resistance curves as well. Quality is truly at the heart of our manufacturing process.
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Backer Hotwatt manufactures a complete line of custom and stock RTD sensors and other electric heating elements. We offer a broad product line of cartridge heating elements, tubular heating elements and immersion heating elements. We have been manufacturing heating elements in the USA for over 60 years.
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Industry Information

RTD Sensors

RTD sensors, also known as resistance temperature detectors or resistance thermometers, are a type of sensor used to measure temperature. They typically do so using coiled wire elements spun around glass or ceramic, which react to temperature and temperature changes with measurable resistance. The relationship between this resistance and temperature change is highly accurate, making RTD sensors very reliable devices. In fact, they are so reliable, as well as stable and prone to repeatability, that they have begun to replace thermocouples in applications below 1112? (600?).

There are five main element types with which RTD sensors may be made. They are: wire-wound elements, carbon resistor elements, strain-free elements, thin-film elements and coiled elements. Wire-wound elements are wrapped around an insulating core or mandrel. The types of wire available in the creation of wire-wound elements include copper, iron, platinum and others. Of these, platinum offers the strongest resistance-temperature relationship. Unfortunately, it is also the most expensive wire, so if their application will not suffer a detriment from their choice, many manufacturers opt for a less expensive alternative. Wire-wound elements are valued for the expansion allowance they offer, which is done with minimal strain. Next, carbon resistor elements are very economical and offer repeatable results at low temperatures. They are only appropriate for use with very low temperature applications. Strain-free elements also use wire coil, but instead of being wrapped around glass or ceramic, this wire is wrapped around a sealed housing filled with inert gas. They only use platinum wire, which must only be loosely coiled, so that the element can expand and contract freely per temperature changes. The main disadvantage of this element type is the fact that it is not well-supported and is therefore susceptible to vibration and shock. Thin-film elements are composed sensing elements coated with a protective and strain-relieving of glass or epoxy. The protected element is formed from the deposit of an extremely thin layer of resistive material, such as platinum, on a ceramic substrate. While useful for some applications, ultimately, thin-film elements are not as stable or as a widely applicable as their coiled and wire-wound cousins. Finally, coiled elements are quite similar to wire-wound elements, except that they function without any constriction. They are the most popular type of RTD sensing element. As mentioned, in this context, wire is wrapped around glass or ceramic. Note that, in order to work, this glass or ceramic must be kept contaminant-free.

RTD sensors can be divided into two main groups: immersion sensors and surface. Immersion sensors are installed directly into the heart of an application, where they experience direct contact with the process medium, typically a liquid or gas. Surface sensors are used at those times when total immersion is not possible. To work with the same level of accuracy as immersion sensors, they require further insulation. RTD sensors are further organized into classes, per their accuracy, construction and applications. They are: Standard Platinum Resistance Thermometers (SPRTs), Secondary-Standard Platinum Resistance Thermometers (SSPRTs) and Industrial Platinum Resistance Thermometers (Industrial PRTs). To find your best fit, reach out to a knowledgeable sensor engineer today.


High Temperature Vibration Resistant RTD Sensor
Sanitary RTD Sensor
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High Temperature Vibration Resistant RTD Sensor - Thermocouple Technology, Inc.
Sanitary RTD Sensor - Thermocouple Technology, Inc.
RTD Elements - Temperature Specialists, Inc.
Single Pipe Thread RTD - Temperature Specialists, Inc.
Surface Mount Thermocouple
Temperature Specialists Temperature Sensors
Single Pipe Thread RTD - Temperature Specialists, Inc.
Resistance Temperature Detectors - Thermocouple Technology, Inc.
Temperature Sensors - Temperature Specialists






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