Dwyer CM3 [CM-3] 400A AC Clamp Meter

The Dwyer CM-3 True RMS digital clamp meter is a low cost, compact instrument ideal for general electrical testing and troubleshooting. A few applications include HVAC, automotive, electrical/power, and environmental monitoring uses. The CM-3 measures DC and AC voltage to 600 V, AC current to 400 A, and resistance to 2000 Ohms. The digital clamp meter features data/range hold and auto range buttons to prevent the screen from updating when gathering values, as well as a zero function. Additional features include single and three phase energy measurement, MIN/MAX and average. The 3-3/4 digit backlit LCD features automatic polarity, overload, low battery indication and a bar graph.