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TEMPERTURE SENSOR VOLTAGE CALCULATOR
Often you have the specs for a resistive air/coolant/oil temp sensor, but you don't know the calibration voltage values for your ECU.
This Sensor Voltage Calculator lets you work it out.
NOTES:
- Enter the Pullup Voltage and Pullup Resistor Value (your ECU supplier/manufacturer will be able to tell you these values).
- Then enter each pair of Temperature, Resistance values ( with a comma between them and one set of values on each line). Enter as many Temperature, Resistance pairs as you have.
- Click on the Calculate Voltage Table, and you'll get the voltage with each temperature, resistance pair.
NTC Thermistor Voltage Calculator
V
Ω
Enter data as: temperature,resistance (use / or new lines to separate pairs)
| Temperature (°C) | Resistance (Ω) | Output Voltage (V) |
|---|
Voltage Divider Formula
Vout = Vin × (RNTC / (RNTC + Rpullup))
Where:
Vout = Output voltage across the NTC thermistor
Vin = Supply voltage
RNTC = Resistance of the NTC at given temperature
Rpullup = Pullup resistor value
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