6.1 General features
①Display:78x50mm LCD dispaly,Max. display”1999″
Overload indicate:Top digt shown as“1”
③Powersupply:5#alkaline cell LR6 (1.5V)x8(Outer adaptoraccessory avaliable)，Low power symbol displayed when feed gonna run out
④Unload consumption:<=800mw
⑤Working environment:0C-40℃,30%-85%RH。
⑥Dimension:185(L) X115 (W) x65 (D) mm
⑦Weight:About 680g
6.2.Technical specification
①Earth resistance:
| Range | Resolution | Accuracy |
| 20Ω | 0.01Ω | ±(2.0%+0.1Ω) |
| 200Ω | 0.1Ω | ±(2.0%+5d) |
| 2000Ω | 1Ω | ±(2.0%+5d) |
②Earth voltage(50Hz-200Hz)
| Range | Resolution | Accuracy |
| 750V | 1V | ±(1.0%+3d) |
