A voltmeter and ammeter are to an electrical system what a pressure gauge and a flow gauge are to an oil pressure system: A voltmeter measures electrical pressure in volts; an ammeter measures ...

Model 2606 clamp-on ammeter is a handheld, 4,000-count meter designed for field service, heating/refrigeration, industrial maintenance, and laboratory work. It has measuring ranges of 0-1,000-A ac/dc, ...