Digital partical discharge detector
Digital partical discharge detector
Features
²ØWith anti-interference mode, which is unique in China, so that to attenuate space interference from site test.
²ØGreat anti-shock ability.
²ØDigital PD detector with great accuracy (class 5, the highest accuracy in China)
²ØData collection card with high-speed and great capacity, can collect PD data continuously, has good data reproducibility and high
Test function,
²ØAnalyze function (multi-parameter analysis, 2 dimensional atlas analysis and 3 dimensional atlas analysis );
²ØData save function;
²ØReport generation & printing function.
²ØThis device displays PD waveform (ellipse,sine wave and straight line ), PD value and testing voltage simultaneously.
²ØAuto gain adjustment during calibration and testing process, which is easy to operate without manual operation
²ØApply to power supply of 50Hz, 150Hz and up to 400hHz. And it can trace frequency phase of testing power supply.
²ØOpen door and time window can be set arbitrarily, down to 1degree.
²ØSmall size and low weight.
Main technical parameters
²²Electric capacity range of tested object：6pf～250μf
²²Detection sensitivity:<0.02pc at capacity 50pf.
²²Amplifier: 3db low frequency fl 10,20,30,50,80kHz optional,
ül3db high frequency fh 100,200,300,400,500kHz optional.
ülGain adjustment range>120db, gain difference between gear 20±1db.
ülPositive&negative pulse response asymmetry<1db
²²Time window: window width 1о～360о, and window position can be revolved freely.
²²Testing voltmeter: 0-- 1000kV, error＜3%F.S when digital meter displays.
²²Collection channel.:1 channel.
²²input impedance: 1MΩ
²²Highest sampling rate of collection card:20MHZ
²²AD resolution 12BIT. DC accuracy 0.2%.
²²Sampling length per channel: 8M
²²Trigger mode: manual, external trigger, internal trigger
²²Band width of collection card: 3MHZ（-3DB）
²²Weight: 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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