Digital partical discharge detector

Features

² Ø With anti-interference mode, which is unique in China, so that to attenuate space interference from site test.

² Ø Great anti-shock ability.

² Ø Digital PD detector with great accuracy (class 5, the highest accuracy in China)

² Ø Data collection card with high-speed and great capacity, can collect PD data continuously, has good data reproducibility and high

accuracy.

Test function,

² Ø Analyze function (multi-parameter analysis, 2 dimensional atlas analysis and 3 dimensional atlas analysis );

² Ø Data save function;

² Ø Report generation & printing function.

² Ø This device displays PD waveform (ellipse,sine wave and straight line ), PD value and testing voltage simultaneously.

² Ø Auto gain adjustment during calibration and testing process, which is easy to operate without manual operation

² Ø Apply to power supply of 50Hz, 150Hz and up to 400hHz. And it can trace frequency phase of testing power supply.

² Ø Open door and time window can be set arbitrarily, down to 1degree.

² Ø Small size and low weight.

Main technical parameters

² ² Electric capacity range of tested object： 6pf～250μf

² ² Detection sensitivity:<0.02pc at capacity 50pf.

² ² Amplifier: 3db low frequency fl 10,20,30,50,80kHz optional,

ü l 3db high frequency fh 100,200,300,400,500kHz optional.

ü l Gain adjustment range>120db, gain difference between gear 20±1db.

ü l Positive & negative pulse response asymmetry<1db

² ² Time window: window width 1о～360о, and window position can be revolved freely.

² ² Testing voltmeter: 0-- 1000kV, error＜3%F.S when digital meter displays.

² ² Collection channel.:1 channel.

² ² input impedance: 1MΩ

² ² Highest sampling rate of collection card:20MHZ

² ² AD resolution 12BIT. DC accuracy 0.2%.

² ² Sampling length per channel: 8M

² ² Trigger mode: manual, external trigger, internal trigger

² ² Band width of collection card: 3MHZ（-3DB）

² ² Weight: about 15kg

CNME produces market-leading high voltage test equipment for proof testing, diagnostic evaluation, and preventive maintenance testing of electrical cables and apparatus designed to operate under medium to high voltage conditions.  From transformer and control circuit design, component manufacturing, to assembly, testing, and shipment, such as HV AC Dielectric Test , Short Circuit High Power Test, Transformer routine Test, HV DC Dielectric Test, CT/VT Test, Energy Meter Calibration Test, Testing b

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