So far I have only tested the lowest resistance range and AC voltage function on this meter. The measuring device works with different resistances from 0.1 MΞ© to 10 MΞ©. The AC voltage readings match those of the Fluke TruRMS High Performance Digital Voltmeter. Didn't realize (at first) that they DO NOT include batteries due to flight restrictions, but a few batteries doesn't make much of a difference. I agree that there should be some sort of case or place to store the test leads when not in use. But for the price I can overlook most of it considering Supco is selling what appears to be the exact same meter (M100D) with their name on it for FOUR TIMES more than this! Even the Supco 500 is twice the price and only has a stupid LED "display" and flimsy little test leads. No thank you. If this tool holds up over time I will be a VERY happy hiker.
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