MEWOI4105A ground resistance tester
1. This digital ground resistance tester is a new generation of electrical test instruments, beautiful and practical style. 2. Full-featured, high accuracy, convenient and reliable operation, dustproof moisture-proof structure, better suited to field use. 3. It can be used to measure a variety of power systems, electrical equipment, lightning protection equipment grounding system grounding resistance value, it can also measure AC voltage  | 
Basic Functions
Measure mode  | range  | resolution  | Basic accuracy  | 
Ground resistance  | 20Ω  | 0.01Ω  | ±(2%+0.1Ω)  | 
200Ω  | 0.1Ω  | ±(2%+3dgt)  | |
2000Ω  | 1Ω  | ||
Ground current ( AC current)  | 200V  | 0.1V  | ±(2.0%+6dgt)  | 
General Features
Display  | 84.8×59.8mm LCD display, max display “1999”。  | 
Over range presentation  | it will display “1”on the top number when it is over range  | 
Power  | alkalescence battery LR (1.5V)×8(can contact with power adapter)when the battery is low, it will display a low battery sign  | 
Power Dissipation  | Electricity cost during test<=800mw  | 
Work environment  | Teperature 0-40 ; relative humidity 30%-80%RH  | 
Product size  | 175(L)×110(W)×70(D)mm  | 
Weight  | Approx : 680g(include battery)  |