p strong 2 Oil Pressure Gauge 80 PSI - Spun Silver strong p p A pressure gauge operates by sending a low amperage current through the gaugess 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 etc br br As the senders resistance varies the amount of current allowed to flow through it to ground changes and the meter deflects showing the change in pressure br br strong Benefits strong p ul li Anti-scratch glass lens li li Plastic Cases for corrosion resistance and long life li li 80 PSI li li Spun Silver li li Hole Size 2 li ul --- cis2 mmxtmJVt --- br
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