T38

T38

What This Data Means — For Quick Client Selection

  • Universal input (RTD + TC + mV) → One model fits all field replacements, reducing spare inventory for OEMs & plants. 
  • SIL certification → Suitable for shutdown loops, burner management, steam-safety loops, pharma validation, and custody-regulated heating systems. 
  • Advanced diagnostics prevent false trips by detecting sensor break, drift, or insulation leakage. 
  • High EMC immunity makes T38 stable even near VFD motors, MCC switchboards, turbine rooms, and furnace ignition circuits. 
  • HART support enables remote calibration & recording through DCS, PLC, or asset management platforms (Honeywell, Yokogawa, DeltaV, Schneider). 
  • 2 kV isolation ensures clean output signals across long cable runs and electrically noisy boiler galleries.
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Description

WIKA T38 is a universal, HART-enabled temperature transmitter designed for precision, safety loops, and critical industrial control. It accepts RTD, thermocouple, and resistance inputs, providing highly stable 4–20 mA output with diagnostics, drift monitoring, and SIL certification. Ideal for refineries, chemical vessels, pharmaceutical sterilization, boilers, turbines, HVAC chillers, and OEM automation where reliability and regulatory compliance are non-negotiable.

WIKA T38 — Key Technical Data & Selection Parameters

Parameter Specification / Details
Transmitter Type Head-mount / DIN Form B, programmable, SIL temperature transmitter
Input Compatibility RTDs (Pt100, Pt1000, Ni100, Ni120)
Output Signal 4–20 mA, 2-wire + HART digital
Accuracy Up to ±0.05% of span
Electrical Isolation 2 kV isolation
Safety Compliance SIL 2 / SIL 3 capable per IEC 61508
EMC / Noise Immunity IEC 61326-3-3 industrial protection
Ambient Electronics Range –40 °C to +85 °C
Mounting Type Head-mount transmitter (fits DIN Form B enclosure)
Self-Diagnostics Sensor drift, open/short circuit, loop break detection
Programming Interface HART communicator / laptop + HART modem
Approvals CE, ATEX options, IECEx (selected variants)
Typical Applications Steam boilers, refinery furnaces, pharma autoclave sterilization, HVAC chillers, reactors, heat exchangers, OEM thermal loops

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