Introduction
DT-903 Socket Polarity and Earth Leakage Tester tests 3 wire 220V AC outlets and earth leakage circuit breakers(ELCB).
DT-903 Socket Polarity and Earth Leakage Tester tests 3 wire 220V AC outlets and earth leakage circuit breakers(ELCB).
Indicates the following status
No Line
| Power supply | From unit under test |
| Electrical safety | IEC61010/EN61010; IEC61557-7/EN61557-7 |
| Protection level | CATIII 600V |
| Type of protection | IP40 |
| Operating temperature | 0ºC to 40ºC |
DT-903 Socket Polarity and Earth Leakage Tester tests 3 wire 220V AC outlets and earth leakage circuit breakers(ELCB).