Gddw-III Digital Earth Resistance Tester

Application
GDDW-III grounding resistance tester is applied to measure the grounding resistance in power station or generator station with non-power frequency. All test results could be printed by micro printer
Technique index
1 Measurement range: 0~15Ω
2 Precision: 3%RDG+0.5%FS
3 Circuit resistance <80ohm
4 Test current AC<3A
5 Test cable: >φ 1.2mm2
6 Power supply: AC220V± 10% 50Hz/60Hz
7 Environment temperature: 0-50° C
8 Humidity: ≤ 85%RH
9 Size: 370mmx270mmx220mm
10 Weight: 5kg