In the air conditioning and refrigeration field, there are three measuring instruments used; Voltmeter, ammeter, and ohmmeter.
Voltmeter: is designed to be connected directly across the source of power.
Ammeter:
Ohmmeter:
In the air conditioning and refrigeration field, there are three measuring instruments used; Voltmeter, ammeter, and ohmmeter.
Voltmeter: is designed to be connected directly across the source of power.
Ammeter:
Ohmmeter:
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