iTHERM ModuLine TM121

Thermometer with RTD or TC insert complete with manufactured thermowell produced from pipe material

General Information
Input / Output
Mechanical Data
Electrical Data
Certification / Approvals
Additional Information
SKU: TM121


  • Measuring Principle/ sensor type: Pt100, Thermocouple type K
  • Measuring Range: -50 to 650 °C (-122 to 2012 °F)
  • Accuracy:For RTD: ± (0.1 + 0.0017 · absolute value °C); For TC: ±1.5 °C (-40 to 375 °C), ±0.004 . absolute value °C (375 to 1000 °C)
  • Respnse Time(t90): 60 to 100 s
  • Bluetooth® connectivity with SmartBlue App (optional)


RTD or TC assembly characterized by basic sensor technology, application in non-hazardous areas, standard extension neck, low-cost unit. The devices are available with optional Bluetooth®-enabled head transmitters with 4 to 20 mA output or HART® communication, providing enhanced measurement accuracy and reliability compared to directly wired sensors.

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Ohannes Markarian

A great company that provided a wide range of products from various suppliers. Support is excellent and very responsive

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iTHERM ModuLine TM121
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What do our customers say

Somya Gupta

The conversation was highly helpful to me. I want to know about the suitable sensors that can be used for level measurements for conical tank systems. Mr. Pedro has quickly responded and explained in very ease way. It was nice interacting with him.

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