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Product picture of resistance thermometer TST90

Modular RTD thermometer

Comprehensive and common temperature measurement technology for almost all branches of industry

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Measuring / Application task

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  • Measuring principle

    Resistance Temperature Detector

  • Characteristic / Application

    metric style
    modular temperature assembly (paired)
    threaded process connection
    with neck
    incl. thermowell / protection tube (metal)

  • Thermowell / protection tube

    welded protection tube

  • Insert / probe

    mineral insulated (MI), flexible

  • Outer diameter protection tube / Insert

    9,0 mm (0,35'')

  • Max. immersion length on request

    up to 4.000,00 mm (157,48'')

  • Material protection tube/ thermowell

    1.4571 (316Ti)

  • Optional coating

    Not defined

  • Process connection

    male thread:

  • Tip shape


  • Surface roughness Ra

    Not defined

  • Operating temperature range

    PT 100:
    -50 °C …200 °C
    (-58 °F ...392 °F)

  • Max. process pressure (static)

    at 20 °C: 50 bar (725 psi)

  • Accuracy

    +/- 0.05 K (refering to delta-T)

  • Response time

    depending on configuration
    t50 = 10 s
    t90 = 31 s

  • Integration head transmitter