·Introduction:
This device can produce extra low frequency high voltage of cosinusoidal and sinusoidal wave and it is a new kind of extra low frequency AC testing device. It is mainly used in testing non-distructive insulated cables such as poly-hexenes power cable and cross-linked polyethylene cable in electric power department and industrial and mining enterprises.
·Technical parameter:
Power supply: AC220V±10%, single-phase 50HZ ;
Evironment condition: Temperature: -10℃～+40℃;
Humidity: ≤85%RH;
Output voltage: 0~90KV;
Output voltage frequency: 0.1Hz 0.05Hz 0.02Hz;
Load capability: 0.1Hz，max 1.1μf ;
0.05Hz，max 2.2μf ;
0.02Hz，max 5.5μf;
Measurement error: ±3%. |
