Industrial Thermometers and Temperature Instruments

Here at Tel-Tru, we design and manufacture industrial thermometers and other quality industrial temperature instruments for customers like you to improve your product quality and operational performance. Our products offer the accuracy and durability you’re looking for, whatever your industrial process may be.

We manufacture dial type bimetal thermometers, digital thermometers, RTD assemblies, and other instruments that measure, indicate, and transmit temperature for industrial process, sanitary process, commercial, and HVAC applications and related Original Equipment Manufacturers (OEMs).

Model: RD3 or RD4 Remote Digital Thermometer Heavy duty 3″ or 4″ 304SS case High visibility 0.4″ tall digital display Armored flex conduit cable, zinc-plated NIST Traceable Calibration Certificate available, order separately Ideal for replacing Gas Actuated and Vapor Tension thermometers Made in USA Click here for lead times. Digi-Tru Thermometer Sellsheet
XTRR-1530 is a modern, HART temperature transmitter developed to meet the highest standards of accuracy and reliability. This universal transmitter is compatible with RTD, thermocouples, voltage and potentiometer sensors. It is fully compatible with HART 7 and offers extended diagnostic information, for example device error, sensor and wiring conditions. Dual inputs allow redundancy for the […]
XTRR-1330 is a universal, isolated, temperature transmitter with additional voltage and resistance input. Its robust design and high quality gives excellent performance and accuracy also under harsh conditions. High accuracy and long term stability 50-point Customized Linearization and Callendar-Van Dusen Accepts RTD, T/C, mV and Ω Sensor error and system (sensor/transmitter) error correction for highest […]
XTRR-1220 is a basic, programmable non-isolated, easy-to-use transmitter. The configuration is made in seconds with the user friendly Windows software. No external power supply required for configuration. XTRR-1220 is programmable for RTDs in 3- and 4-wire connection according to different standards as well as for 11 T/C types. Useful error correction functions improve the accuracy. […]
The XTRR-1202 is a digital, easy-to-use temperature transmitter developed for measurements with Pt100 sensors. Its robust design and high quality offer excellent performance and accuracy under harsh conditions. With the new runtime counter function you can easily supervise the elapsed operational time between calibrations. Input: Pt100 in 3-wire connection PC configurable measuring ranges without the […]
XTR-BT is a Bluetooth modem for wireless communication between smartphones/tablets and Tel-Tru temperature transmitters. Together with the app, you can configure and monitor the transmitter while it is still mounted in the process. Simply plug in your XTR-BT to the USB connector on the transmitter and connect with your portable device. Thanks to the extended […]
XTR-CFG is a complete kit for PC configuration of the listed programmable transmitters in the Tel-Tru product line. The kit contains the XTR-CFG USB Interface, PC to Interface cable and Transmitter Cable. Communication with the connected transmitter is established automatically, without any problems to match the PC communication port to the software. USB communication Automatic […]
XTRC-1330 is a universal, isolated, temperature transmitter with additional voltage and resistance input. Its robust design and high quality gives excellent performance and accuracy also under harsh conditions.  High accuracy and long term stability 50-point Customized Linearization and Callendar-Van Dusen Accepts RTD, T/C, mV and Ω Sensor error and system (sensor/transmitter) error correction for highest […]
The XTRC-1202 is a digital, easy-to-use temperature transmitter for measurement with a Pt100 resistance sensor. Its robust design and high quality gives excellent performance and accuracy also under harsh conditions. XTRC-1202 combines competitive cost with easy and user friendly functionality and reliable accuracy during the lifetime. Robust terminals with test connections Input: Pt100 in 3-wire […]
XTRC-1530 is a modern, HART® temperature transmitter developed to meet the highest standards of accuracy and reliability. A universal transmitter compatible with RTD, thermocouples, voltage and potentiometer sensors. It is fully compatible with HART 7 and offers extended diagnostic information, for example device error, sensor and wiring conditions. XTRC-1530 can be configured using the USB […]
The XTRC-1220 is a basic, programmable non-isolated, easy-to-use transmitter. The Low Profile housing has a height of only 0.77 inch / 19.5 mm. Configuration is made in seconds with the user friendly Windows software. No external power supply required for configuration. The transmitter is programmable for RTDs in 3- and 4-wire connection according to different […]
Model: QTC1 Carrying case for QTFI40P, QTFI51P, and QT41ALBX, black vinyl, Velcro® closure, belt loop  Click here for lead times.    

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