Liquid level indicator is a device meant to overcome the stress of opening reservoir or dipping rod into the tank for gauging the level of the liquid. The level indicator can be divided into three stages.

The sensing circuit, wireless transmitter & receiver, control circuitry. The sensing unit is isolated from the measurement & control circuitry.

The liquid level information is wirelessly transmitted which is then received at the receiver end. The level is shown on the LCD Interface.

The Petroleum Level Measurement system consists of ultrasonic digital sensors, Encoder IC, RF Transmitter, Decoder IC, RF Receiver, Microcontroller, LCD etc. The percentage of the levels is shown on the LCD Interface.