Sunday, November 24, 2013

A 0 - 100 Amp Simpson AC Ammeter



This meter  is much more compact than the one I showed earlier. Its bezel is 2 3/8" square; its round body in back would fit a 2 3/16" diameter panel opening.

Inside, the coil is nowhere near as substantial as that in the other meter.


The difference is huge. Presumably, this meter's designer knew what he was doing, but one has to wonder about that relatively light gauge winding's ability to sustain a high current reading without heating excessively.

Whatever. This meter can join its bigger brother.

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