EasyTank Watchman Alarm Sonic Tank Contents Gauge

The watchman sonic electronic gauge is used to read how much oil is left inside a tank. This reading is calculated by the transmitter that is placed on the tank and is thenandnbsp;displayed on the receiver. The receiver can be plugged into any mains socket, meaning that you are able to monitor the contents of your oil tank via the receiver without needing to leave the house. This version of the gauge features an alarm that will emit if the oil level in your tank drops at a rate of more than 1.5cm per minute.