Continuity Testing — WSU

Continuity Testing — WSU - Continuity...

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Continuity Testing This test checks a circuit for a connection from one end to the other. To have continuity indicates that the circuit is not open. Wire strands can break inside the wire's insulation. This type of open circuit cannot be seen but it can be detected with a DMM using the continuity setting. Continuity measurements are commonly performed on automobiles; however, many times the measurement is inaccurate because the vehicle's battery must be disconnected before any measurements are taken. Continuity measurements should be the same regardless of which way the meter leads are connected. If the readings are not the same with the leads swapped, or if there is ever a negative resistance displayed on the meter, there is still power in the circuit and the readings are incorrect. To measure continuity: Place the Fluke 87's meter's selector switch in the Ohm's position Press the continuity button shown below. Remove power from the circuit being tested. Place one meter lead at one end of the wire Place other meter lead at the other end of the wire.
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This note was uploaded on 02/06/2012 for the course AUSV 1320 taught by Professor Johnkelly during the Winter '12 term at Weber.

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Continuity Testing — WSU - Continuity...

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