I needed to test a contacter in a heat pump compressor & I wanted a live test so a made a jumper out of an old 120/24 volt transformer. Alligator clips on low voltage side & 120v plug on high voltage side. Tells me for sure if contacter snaps in & is good so I can elimnate it as a problem. Will work for other situations that calls for 24v.
24 volt tester24Volt
Posted 06 January 2014 - 04:26 AM
I might have to find an old transformer laying around in the basement and make me one of those to test PCB relays...
Posted 06 January 2014 - 03:33 PM
Edited by BryanS, 06 January 2014 - 03:34 PM.
Posted 13 January 2014 - 01:31 AM
I built 1 of those several years ago and it does come in handy for checking things. At the time I built it I was looking for a solution for checking controls with the high voltage off.Works like a charm.
Did you output 24v DC or AC?
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