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SenseCalc

RTD Self-Heating Error

Heating offset with 0.05 C limit.

Inputs

Excitation

Transmitter excitation, usually 1 mA.

Resistance at the measuring point.

Result

Self-heating (C)
0.0069
PASS (1=yes)
1
Calculation details
Dissipation (mW)
0.1385

Verify

Check before relying.

Excitation warms the element.

  • Test current from the transmitter manual
  • Still air vs flowing process noted
  • Offset inside the error budget
This calculator is a first-pass screening tool. Verify nameplate data, wiring, module configuration, and calibrator readings before acting.

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Workspace

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