1. The OGM series preset quantify diesel flow meter is designed for working together with pumps, with voltage DC12V, DC24V, and AC220V.
2. One wire connecting the pump, to control pump start and stop working, the other wire to get power supply according to pump voltage
3. The LCD display shows unit price, amount and liters.
To operate the keyboard, you can set the unit price, and preset the desired volume or amount, once the wanted volume or amount dispensed, the pump will stop working automatically