Advanced temperature measurements, peak hold and a data-hold switch to maintain the reading on the 5999-count backlit screen are among the many features and functions that are standard offerings of this must-have professional electrical meter. The Sperry Instruments DSA600TRMS True RMS Clamp Meter’s auto-off function and low battery indicator help save battery life and ensure correct readings with every use. It is also designed with pros like you in mind: compact, lightweight and durable, as proven with an industry-leading drop rating. Cetus and CAT III 600V rated. Limited-lifetime included for extra performance assurance.