description sperry instruments clamp meter, snap-around, digital lcd, 5-function, ac current, ac/dc volt, resistance, continuity, 9 auto range, 400-amp, 1 each sperry instruments snap-around clamp meter is a 5 function, 9 range auto-ranging unit engineered to measure ac current (40-400a), ac/dc voltage (400/600v), resistance (400/4000ω), and continuity. similar to a digital multi-meter, clamp meters offer a large range of functions and include lcd screens to display results but they offer the additional unique ability to measure current without having to contact live conductors. this unit features a data-hold switch to maintain the reading on the liquid crystal display (maximum count: 3999) and auto power-off functionality to extend battery life with a low battery indicator to ensure you won't get incorrect readings due to low batteries. audible beeper permits easy continuity check (buzzer sounds at 100 ohms or less). we consider safety first; this instrument has been designed and tested according to iec publication 61010 and integrates features such as voltage, current and resistance overload protection and shrouded transformer jaws to further improve safety. california proposition 65 warning. view warning label features measures ac current, ac/dc voltage, resistance, continuity data hold capability to maintain reading on display includes test leads, 2 aaa batteries, instruction manual and soft sided carry case culus and ce certified with a cat ii rating at 600 v and cat iii rating at 300v specifications ac voltage 600 acme tools brand name sperry instruments acme tools part number dsa500a assembled weight (lbs) 0.809 battery quantity required 2 battery size aaa california proposition 65 warning required no 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) 00035632105526 internal supplier part # dsa500ar internet product code (ipc) 068b89bc740 manufacturer warranty limited lifetime material plastic package weight 0.8094 package weight (lbs) 0.8094 upc 035632105526