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·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%.