ET2678 Grounding Resistance TesterDetailed product description：

Technical specifications for ET2678 grounding resistance tester

1. Measurement range: 1-200m Ω (25A) 1-600m Ω (10A)
2. Test time: 1~99S (continuously adjustable) ± 5% and manual ∝
3. Test voltage: AC ＜ 6V
4. Test current: AC 5-30A ± 5%
5. Wire breakage alarm: AC 5-30A ± 5%
6. Alarm resistance value: 1 m Ω~200 m Ω (AC 25A) (continuously adjustable) ± (2.5%)
1 m Ω～ 600 m Ω (AC 10A) (continuously adjustable) ± (2.5%)
7. Usage conditions: Environmental temperature 0-40 ° C
8. Relative humidity: ≤ 80% RH
9. Power supply: AC 220V ± 10% 50Hz
10. Dimensions (mm): 350 (w) × 280 (d) × 145 (h).