I design and commission control systems in industrial plants and this gauge is by far the most useful gauge I own. While it doesn't have all the features I need in a single package, it covers 98% of what I do during startup and the other 2% (measuring low (analog) current, temperature, etc.) I use just another meter with me that never leaves my work box again. The only thing that disappoints me is the buzzer for the continuity tester; It's very quiet and in the conditions I'm in I often have to read the display to make sure I have continuity. I'd rather give this gauge 4.5 stars because a bad fish finder shouldn't be worth a full star, but it is.
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