Klein Tools MM400 Multimeter

The Klein Tools MM400 Multimeter is a versatile and reliable instrument for troubleshooting electrical systems. Designed for electricians and HVAC professionals, it measures voltage, current, resistance, temperature, and more. This compact tool features auto-ranging functionality, backlit display, and data hold. It supports up to 600V AC/DC and is CAT III 600V rated for safety. Built to endure jobsite conditions, the MM400 comes with test leads, thermocouple, and a carrying pouch. It complies with US electrical standards and is a go-to diagnostic tool for field use.