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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