Faria Oil Pressure 0-5bar - White

A pressure gauge operates by sending a low amperage current through the gauges's meter to ground via a sending unit with variable resistance. The resistance of the sending units increase or decrease with the changes in pressure, temperature, ect. Features: Anti-scratch glass lens, plastic Cases for corrosion resistance and long life. 12 vDC negative ground (Can be adapted for 24 vDC systems). Available in standard or Metric values.