description sperry instruments true rms 600a clamp meter the sperry instruments dsa600trmsr 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 lbs. and a 10 foot drop rating ??the best in the industry. california proposition 65 warning. view warning label features precise true rms circuitry integrated non-contact voltage detection data hold capability to maintain reading on display auto power off functionality to save battery life recessed input terminals electronic overload protection 600a ac non-contact current reading specifications ac voltage 600 acme tools brand name sperry instruments acme tools part number dsa600trms assembled weight (lbs) 1.03 battery quantity required 3 battery size aaa california proposition 65 warning required yes color / finish black/yellow country of origin china dc polarity indicator no dc voltage 600 digital / analog digital digital display yes electronic yes globaltradeitemnumber (gtin) 00035632200733 internal supplier part # dsa600trmsr internet product code (ipc) b08eb5e0940 manufacturer warranty limited lifetime material plastic package depth 9.6 package height 2.5 package weight 1.3 package weight (lbs) 1.3 upc 035632200733