F500 is ultrasonic level sensor. It is easily installation. No need to drill on tank. Just fix it on the tank to get fuel level of the tank.  No need to drill on fuel tank. Applicable for all kinds of fluid level measurement.

1. fuel level sensor detect fuel leve and output the fuel level to gps tracker.

2. gps tracker uploads fuel level and position data to server.

3. server software handle with fuel level data and position data to create fuel volume data and curve.

Non-touch measurement;

Easily install, no need to drill on tank;

Measurement length can be adjusted to 3 meters;

Interface for gps or gprs modem using.