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) |