The UEi DL379BN is a hand-held, battery powered digital HVAC clamp meter that offers the highest combination of functions, features, and safety offered in a meter. The meter has auto-ranging with manual ranging capability, it has built-in test lead storage, and a detachable current clamp head. The DL379B-N has dual level NCV, rated to CAT IV 300V and comes with NIST calibration.