Features
Anti-disturbance function; attenuating special disturbance at the test site;
With high accuracy;
High speed, high capacity assemble card for data acquisition with good repetition and high accuracy;
2-dimensional and 3-dimensional graph analysis function, data saving function;
Test report generation and printing function;
Gain auto regulation during calibration and test, no need for human interference;
Easy for operation;
Display at the same time PD waveform (ellipse wave, sine wave, linear wave), PD value and test voltage;
Suitable for power supply of 50Hz and 150Hz, maximum up to 400Hz;
Window opening setting: minimum to 1 degree.
With small weight,
Suitable for onsite test for power department and manufacturing sites;
Suitable for scientific research;
Suitable for PD test for motor, generator, transformer, mutual inductor, cable, bushing, capacitor and other electric products.
Main technical data
1. Tested capacitance range: 6pf～250μf（with different types of impedance）
2. Test sensitivity: <0.02pc（when capacitance is 50pF）.
3. Amplifier: 3db selectable within f1, 10, 20, 40 kHz; 3db selectable within fh 100, 200, 300k; Gain regulation range: >120db; gain difference between gears: 20±1db; Positive and negative impulse asymmetry <1db.
4. time window: width 1о～360о,position can be rotational;
5. test voltage meter: 0-- 200kV (peak /1.414), display error of the volt meter＜3% F.S.
6. PD acquisition channel: single channel;
7. Input impedance: 1 MΩ
8. Maximum sampling rate of the acquisition card: 20 MHZ
9. AD resolution: 12 BIT：DC accuracy: 0.2%
10. sampling length of each channel：8M
11. Triggering mode: manual, outer trigger and inner trigger;
12. band width of the acquisition card: 3 MHZ（-3 dB）
13．Weight: 15 kg
14．Outlook: (can be made into portable type or separate type)