![]() These days AVO is owned by a company called Megger. This did so well that the AVO name became a brand in itself. They manufactured and sold Macadie's machine as the AVO (Amp/Volt/Ohm) meter. ACWEECO began as a wire-winding company, making coils for electrical applications. ![]() He took his invention to ACWEECO, which stands for Automatic Coil Winder and Electrical Equipment Company. In England, a Post Office engineer named Donald Macadie invented a meter which combined all three. Early on, there was a separate meter to measure each: a voltmeter, an ammeter and an ohmmeter. If you study electricity or electronics, among the first things you learn are three fundamental measurements: voltage, amperage and resistance (which is measured in Ohms). ![]() I'm going to be lazy and cut and paste what I already wrote there. I'm familiar with the AVO name because I have one of their early photographic light meters. I've been out to get one ever since I found out they were being made. ![]() I do not collect test equipment! I just seem to be getting an awful lot of it, that's all. I do not collect test equipment I Do Not collect test equipment.
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