How Does Fuel Monitoring Work?

1. Theory: Vehicle owned fuel sensor has 3 lines, one is for power, one is for GND, the other is to transit data to show fuel change on Fuel Meter. When oil amount change, voltage at the fuel data line will change. We use tracker AD to monitor the voltage, then show it online by fuel amount.

http://www.uniguardgps.com/Images2/diagram.jpg

2. In order to use this function, user will need measure 5 voltages and the coordinated oil amount. Fill it online.

http://www.uniguardgps.com/Images2/fill.jpg

3. After correct installation and measure, the online fuel change will show as following:

www.gpspos.cn/gismng ID: demouser Pass: demo123

Check Fuel: Login-Statistic-Fuel Curve-Time from 2012-3-1 to 2012-3-7-Vehicle 65810-Click Statistic you will see fuel curve as following:

http://www.uniguardgps.com/Images2/graph.jpg

Put mouse on the fuel line, the detailed fuel usage will show

Also you can use the mouse middle button to zoom in/out the fuel graph