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SenseCalc

RTD Lead Wire Error

2/3/4-wire error estimate.

Inputs

Lead run

Cable run from transmitter to sensor, one way.

Budget

Your accuracy budget for lead error, often 0.25-0.5 C.

Result

2-wire error (C)
8.80
Minimum lead wires (2 or 3)
3
Calculation details
Lead resistance (ohm)
1.720
3-wire residual (C)
0.26

Verify

Check before relying.

Compute before wiring, scaling, or signing the sheet.

  • Nameplate range
  • Module configuration
  • Calibrator reading
This calculator is a first-pass screening tool. Verify nameplate data, wiring, module configuration, and calibrator readings before acting.

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Workspace

Keep the assumptions with the result.

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