The Sperry® Instruments DSA600TRMS True RMS Clamp Meter has more features and functions without the extra cost! This clamp meter offers a large range of superior functions like advanced temperature measurements and peak hold. The meter gives True RMS readings and measures current without having to contact live conductors. This unit features a data-hold switch to maintain the reading on the 5999-count backlit screen and auto power-off functionality to extend battery life. The built-in, low-battery indicator will ensure you won't get incorrect readings due to low batteries. Audible beeper offers easy continuity check (buzzer sounds at 100 Ohms or less). We consider safety first; this instrument has been designed and tested according to cETLus standards and is CAT 3 600V rated. This compact, lightweight yet durable unit has a crush rating of 250 pounds and a ten-foot drop rating - the best in the industry.