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SenseCalc

Sampling Resistor Drift Check

TCR drift in %FS with PASS verdict.

Inputs

Resistor and swing

Voltage at 20 mA: 1, 5 or 10.

Tempco: 25 metal film, 50 thick film, 100 carbon.

Cabinet swing across seasons.

Result

Drift (% of reading)
0.1000
Drift (mA equiv)
0.0160
PASS (1=yes)
0
Calculation details
Drift (V)
0.00500

Verify

Check before relying.

TCR is part of accuracy.

  • TCR from the resistor datasheet
  • Temperature rise includes self-heating
  • Drift inside the loop 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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