Helios Users Guide
www.starcomgpsglobal.com 142
Calibration
When using the Analog input to read fuel the unit and the software should be
calibrated to the sensor readings. The calibration can be done in 2 ways:
Manual calibration – done by manual reading of the voltage levels of the
sensors in different levels. To perform an accurate calibration at least 5
readings must be taken: 0%, 25%, 50%, 75% and 100% of the fuel tank.
Once you have the readings, use the Fuel Calibration table that can be
found at the following link: http://brono.com/jstoys/fuelcalc2.htm in
order to calculate 2 linear parameters.
Using the fuel calibration table:
Select the correct voltage range of the sensor (0-15 V or 0-27 V).
Enter the measured voltage against the percentage of the fuel level.
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