DC load (unit)

by Karl Shoemaker


Testing a power supply at the shop is good to insure it will handle loads on the (remote) site. Shown here is it being used to test two loads at the same time; a VHF transmitter and the supply. Interconnect wiring does not need to be dressed for measurement. The long leads allow for different rack positions.


Here's a close-up of the load unit running about 19 amps. This fixture has switches so one can select how much load to test with and a meter to show the results.


In the event you wish to measure the AC draw here's a fixture. Remove the jumper and insert the test leads of your DVM in the AC position.


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