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Compact sanitary RTD - iTHERM TrustSens TM371

Sanitary RTD - iTHERM TrustSens TM371

Self-calibrating hygienic temperature transmitter lowers risk and drives automation in regulated processes

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  • Measuring principle

    Resistance Temperature Detector

  • Characteristic / Application

    metric style
    compact temperature probe
    hygienic design
    life sciences, food & beverage

  • Thermowell / protection tube

    incl. thermowell
    incl. elbow thermowell

  • Insert / probe

    without exchangeable insert

  • Outer diameter protection tube / Insert

    6.0 mm (0.24'')
    9.0 mm (0.35'')
    12.7 mm (0.5")

  • Max. immersion length on request

    up to 900.00 mm (35.4'')

  • Material protection tube/ thermowell

    1.4435 Delta Ferrite < 1%

  • Process connection

    compression fitting
    weld in adapter
    clamp connections acc. to ISO 2852
    screwed pipe joint acc. to DIN 11851
    aseptic screwed pipe joint acc. to DIN 11864-1
    metallic sealing system
    thread acc. to ISO 228 for Liquiphant adaptor
    APV Inline
    SMS 1147
    Neumo Biocontrol
    TT411 elbow pieces DIN 11865

  • Tip shape


  • Surface roughness Ra

    0.76 μm (29.92 μin)
    0.38 μm (14.96 μin)
    0.38 μm (14.96 μin) electropolished

  • Operating temperature range

    -40 °C to 160 °C (-40 °F to 320 °F),
    optional up to 190 °C (374 °F)
    reference point for automated calibration

  • Max. process pressure (static)

    at 20 °C: 40 bar (580 psi)

  • Response time

    t50 = 2.5 s
    t90 = 5.4 s

  • Integration head transmitter

    no (4 to 20 mA signal, HART)

  • Ex - approvals

    CSA C/US IS, I/1+2/A-F
    CSA C/US General Purpose
    UK II1/2G Ex ia IIC T6 Ga/Gb, II1/2D Ex ia IIIC Da/Db
    ATEX IECEx II1/2G Ex ia IIC T6 Ga/Gb, II1/2D Ex ia IIIC T6 Da/Db