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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 protection tube 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

iTHERM ModuLine TM121 is a modular metric RTD or TC thermometer with protection tube or to be used with onsite thermowell. With best price-performance ratio it is suitable for basic measurement tasks in non-hazardous areas across all industries.

  • For universal use across all industries: Ideal for standard applications and use in non-hazardous areas.

  • iTEMP temperature transmitter with widely used communication protocols (4–20 mA, HART, IO-Link).

Benefits

  • Modular configuration for all applications: A wide selection of components, all combined under a single order code.

  • Excellent price-performance ratio: Purpose-built, reliable temperature measurement with basic features.

Fundamental selection

  • Simple products

  • 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

Technical excellence

Simplicity

  • High-end products

  • Highly functional and convenient

Technical excellence

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  • Specialized products

  • Designed for demanding applications

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Fundamental selection

Meet your basic measurement needs

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Lean selection

Handle your core processes easily

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Optimize your processes with innovative technologies

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Xpert selection

Master your most challenging applications

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