SEW 8020ER Digital Earth Resistance Tester Specifications:
Measuring ranges | Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω |
Earth voltage 0-200 Vac (40-500Hz) | |
Accuracy | Earth resistance ±(1.5%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt) |
Earth resistance resolution | 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω |
Testing frequency | 820 Hz |
Measuring system | Earth resistance by constant current inverter 820Hz approx 2mA. |
Display | 3½ digit (2000 counts) |
0Ω adjustment function | Yes |
Open circuit indication | LED will be unlit |
Low battery indication | Yes |
Data hold indication | Yes |
Over range Indication | “1”(MSD) |
Dimensions | 221(L) x 110(W) x 57(D)mm |
Weight (battery included) | Approx. 600g |
Power source | 1.5V (AA) × 6 |
Safety standard | IEC/EN 61010-1 CAT IV 200V EN 61557-1 EN 61557-5 EN 61326-1 |