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How do I put batteries in a gardner bender circuit alert voltage sensor

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On my GDT 3200 you had to pry and force the black padded case off of it. There is no instructions how to put the batteries in, and I nearly broke the meter taking off the case. Just try to force that case off of there. Hand strength combined with frustration and anger will help in that step. Once the black armored case is off, it's self explanatory. There's two screws on the back that come out and the red unit splits in two. Install the batteries and put it back together.

Posted on Dec 09, 2010


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I would start by determining if these 6 outlets are on the same circuit. Also I am usually not too confident in the non contact voltage tester you are using. They tend to give false positives if they contact anything or even if you move them fast. I would invest in an inexpensive multimeter whcih will allow you to test actual voltage across the poles and ground and also check for continuity between poles/ground (WITH CIRCUIT OFF ONLY).

Did these outlets previously work properly?

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