Klein Tools MM300 is a manual ranging multimeter that measures AC/DC voltage, DC current, and resistance. It can also test batteries, diodes, and continuity. Klein Tool's Test and Measurement product line was exclusively designed from the ground up by electricians for electricians.
The newer model MM300 600V Manual-Ranging Digital Multimeter from Klein Tools boast capabilities that are specifically aligned with customersí expanding jobsite needs and expectations. Designed to meet CAT III requirements as defined by IEC 61010 (3rd edition) standards. To the professional electrician and electrical technician, Klein knows that nothing is more important than safety. And thatís why Klein has been the #1 choice of electricians since 1857.