... AC, Resolution: 1V, Accuracy: ±1%rdg±3dgt 11.Tester Dimension: LWH:215mm×190mm×95mm 12.Testing Wires: Three wires: each for Red 20m ... 5m 13.Simple Testing Wire: 2 wires: each for Red 1.6m and Green 1.6m 14.Auxiliary Earthing Rod: 2 PCS: 10mm×150mm 15 ... frequency electromagnetic field≤1V/m 34.Protection Type: IEC61010-1,IEC1010-2-31,IEC61557-1,5,IEC60529(IP54),CAT III 300V , Pollution etc ...