Klein Tools MM325, MM420, MM450, and MM720 Digital Multimeters feature 10A DC current, AC/DC voltage, resistance, continuity, and diode testing measure functions. The MM420, MM450, and MM720 auto-ranging units include additional measuring features, such as true root mean square (TRMS), AC current, frequency, duty cycle, capacitance, and temperature. The MM720 multimeter also offers a low-impedance mode and ruggedized construction. Klein Tools MM325, MM420, MM450, and MM720 all provide CAT III 600V safety ratings and drop protection up to 6.6' (2m).
