Loop Cable Voltage Drop
Copper pair drop by gauge and length.
Result
Drop (V)
0.688
Loop resistance (ohm)
34.40
Calculation details
Cable loss (mW)
13.76
Formula
Calculation logicVerify
Check before relying.
Compute before wiring, scaling, or signing the sheet.
- Nameplate range
- Module configuration
- Calibrator reading
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Barrier Drop Budget
Allowed safety-barrier drop with PASS verdict.
- Allowed barrier drop (V)
- Wire + load drop (V)
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Current to Voltage Resistor
250 ohm 1-5 V selection with power check.
- Resistor (ohm)
- Dissipation (W)
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HART Loop Load Check
230-1100 ohm window for HART communication.
- Total loop resistance (ohm)
- HART OK (1=yes)
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Loop Load and Supply Margin
Supply headroom at 20-22 mA worst case.
- Margin (V)
- Transmitter terminal (V)
Workspace
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