Digital Earth Clamp Tester, Data Storage : 99 reading, Audio - light alarm, Alarm Critical Value Setting Range : (Resistance:1-199O ), Power : 6VDC (4 PCS alkaline dry battery), Working Temp : -20 centigrade-55 centigrade;10 Percent RH-90 Percent RH, LCD Screen : 4-bit LCD digital display, Jaw Size : Long-jaw 65mmX32mm, Protection Level : Double insulation, CAT III 150V, CE, Structure : Clamp CT, Measured Current Frequency : 50/60hz automatically. (投標 №107080819cn)