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SenseCalc

Barrier Drop Budget

Allowed safety-barrier drop with PASS verdict.

Inputs

Loop budget

Loop supply.

From transmitter datasheet.

Cable + sampling + indicator.

20 mA plus alarm over-range.

Headroom kept for drift and aging.

Result

Allowed barrier drop (V)
5.25
Fits (1=yes)
1
Calculation details
Wire + load drop (V)
10.75
Margin vs required (V)
3.25

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

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