Uploaded January 2016 | Updated September 2026, 1 week ago

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Video shows how the pressure sensor triggers a pressure switch to operate. Once operated, the contacts on the switch 'make' to provide power to the water pump; when the high pressure setting is reached , the contacts 'break' and the pump is turned off. We watch a a pressure gauge as a water holding tank is filled; and see the pressure switch operate.
How to use a clamp meter to measure current, voltage and resistance :
youtube.com/watch?v=zQTrh588ESQ