Physically larger than I expected but still small enough to pinch the wires I want to measure current in. but that is the nature of the animal and not specifically this unit. so i didn't do it. Compared its readings (in combination with an Equus 3440 DVM) to a linear current shunt and it was within 1% from 0 to 250A, which is the highest current I've used it with to date. I bought it to test the motor current on my NEV but have found a few other uses.
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