B 2 Water Pressure Gauge Kit - 30 PSI - Euro White B br 2 - Hole size 2 0625 53mm br br 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 B Benefits B br UL LI Anti-scratch glass lens br LI Plastic Cases for corrosion resistance and long life br LI 12 VDC negative ground br LI Can be adapted for 24 VDC systems br LI Available in standard or Metric values LI UL br br --- cis2 mmxtmJVt --- br
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