Current to Voltage Resistor
250 ohm 1-5 V selection with power check.
Result
Resistor (ohm)
250.0
Dissipation (W)
0.100
Calculation details
Load ratio (fraction of rating)
0.200
Tolerance band (V)
0.0050
Formula
Calculation logicVerify
Check before relying.
Burden sets volts and heat.
- 250 ohm for HART, 500 where allowed
- Power rating twice the dissipation
- TCR drift inside the accuracy budget
Related calculators
Loop power
AI Channel Loading
Burden drop plus supply current with verdict.
- Margin per channel (V)
- Supply current (mA)
Loop power
Barrier Drop Budget
Allowed safety-barrier drop with PASS verdict.
- Allowed barrier drop (V)
- Wire + load drop (V)
Loop power
HART Loop Capacitance Check
FSK impedance with 150nF verdict.
- Total C (nF)
- Z at 1200Hz (ohm)
Loop power
HART Loop Load Check
230-1100 ohm window for HART communication.
- Total loop resistance (ohm)
- HART OK (1=yes)
Workspace
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