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Product picture of Thermometer with RTD or TC insert TM121

iTHERM ModuLine TM121
Industrial modular thermometer

Fundamental metric RTD/TC thermometer with welded thermowell for a wide range of industrial applications

TM121
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5-year warranty

Engineered for Confidence

Our Fundamental Selection instruments feature an extended 5-year warranty – a clear testament of our trust in their long-term reliability and performance.

Should a warranty case occur, you can count on a fast replacement process and minimal administrative effort – giving you peace of mind when it matters most and helping you keep your operations running smoothly.

Warranty terms apply

The extended warranty is subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Product picture of Thermometer with RTD or TC insert TM121
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Specs at a glance

  • Accuracy

    Class A acc. to IEC 60751
    Class B acc. to IEC 60751
    Class standard acc. to ASTM E230
    Class 2 acc. to IEC 60584-2

  • Response time

    t90 around 100 s
    depending on configuration

  • Max. process pressure (static)

    depending on the configuration

  • Operating temperature range

    Basic PT100 TF:
    -50 °C …200 °C
    (-58 °F …392 °F)
    Typ K:
    max. 1.100 °C
    (max. 2.012 °F)

  • Max. immersion length on request

    up to 1.000,0 mm (39'')

Field of application

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.

  • Universal range of application

  • Application in non-hazardous areas

  • Measuring range: –50 to +650 °C (–58 to +1202 °F)

  • Pressure range up to 50 bar (725 psi)

  • Degree of protection: up to IP 68

Benefits

  • Economical, reliable measurement

  • User-friendly from product selection to maintenance

  • Wide range of process connections

  • Easy and safe device setup and service using Bluetooth® communication

Fundamental selection

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  • Easy to select, install and operate

Technical excellence

Simplicity

FLEX: Fundamental ©Endress+Hauser

  • Simple products

  • Easy to select, install and operate

Technical excellence

Simplicity

  • Standard products

  • Reliable, robust and low-maintenance

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  • High-end products

  • Highly functional and convenient

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  • Designed for demanding applications

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Meet your basic measurement needs

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Handle your core processes easily

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Optimize your processes with innovative technologies

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Master your most challenging applications

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