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Pt100 temperature sensor - iTHERM CompactLine TM311

iTHERM CompactLine TM311
Compact thermometer

Metric/imperial RTD 4-20 mA/IO-Link compact thermometer for industrial and hygienic applications

TM311
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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.

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Measuring / Application task

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  • Measuring principle

    Resistance Temperature Detector

  • Characteristic / Application

    metric and imperial style
    compact temperature probe
    fast response time
    high accuracy
    standard and hygienic design
    hygienic process connection
    threaded process connection

  • Thermowell / protection tube

    without
    incl. thermowell
    incl. Tee-/elbow thermowell

  • Insert / probe

    pipe version, isolated wires, not flexible

  • Outer diameter protection tube / Insert

    3,0 mm (0,12'')
    6,0 mm (0,24'')

  • Max. immersion length on request

    up to 600,00 mm (23,62'')

  • Material protection tube/ thermowell

    1.4435 Delta-Ferrit < 1%
    316L

  • Process connection

    compression fitting
    Thread
    weld in adapter
    clamp connections acc. to ISO2852
    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
    Varivent
    SMS 1147
    Tee-/elbow thermowell

  • Tip shape

    straight
    reduced

  • 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

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

  • Max. process pressure (static)

    at 20 °C: 50 bar (725 psi)

  • Accuracy

    class A acc. to IEC 60751

  • Response time

    t50 = 1 s
    t90 = 1.5 s

  • Integration head transmitter

    no (4…20mA Signal, IO-Link)

  • Ex - approvals

    CSA C/US

  • Certification

    3A, EHEDG, ASME BPE, FDA, TSE
    1935/2004, 2023/2006, 10/2011
    DNV, BV
    RCM

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