HZJF-9041D Four Channels Partial Discharge Detector
HZJF-9041D Four Channels Partial Discharge Detector
Overview
The HZJF-9041D four-channel digital partial discharge detector upgrades the original HZJF-9041 model: it keeps all original advantages, miniaturizes the equipment, optimizes performance, and adopts a 10.1-inch touchscreen instead of traditional oscilloscopes and physical knobs for easier operation.
Main Technical Indicators
1. Model: HZJF-9041D
2. Number of channels: Four channels
3. Measurement range: 0.1pc-10000nc
4. Detection sensitivity and allowable current
| NO. | Tuning Capacitance Range | Sensitivity (PC) (Unbalanced Circuit) | Effective Value Of Allowable Current | |
|---|---|---|---|---|
| Unbalanced Circuit | Balance Circuit | |||
| 1 | 0～25～100pF | 0.02 | 30mA | 0.25A |
| 2 | 25～100～400pF | 0.04 | 50mA | 0.5A |
| 3 | 100～400～1500pF | 0.06 | 120mA | 1A |
| 4 | 400～1500～6000pF | 0.1 | 0.25A | 2A |
| 5 | 1500～6000～25000pF | 0.2 | 0.5A | 4A |
| 6 | 0.006～0.025～0.1μF | 0.3 | 1A | 8A |
| 7 | 0.025～0.1～0.4μF | 0.5 | 2A | 15A |
| 8 | 0.1～0.4～1.5μF | 1 | 4A | 30A |
| 9 | 0.4～1.5～6.0μF | 1.5 | 8A | 60A |
| 10 | 1.5～6.0～25μF | 2.5 | 15A | 120A |
| 11 | 6.0～25～60μF | 5 | 25A | 200A |
| 12 | 25～60～250μF | 10 | 50A | 300A |
Table 1. Detection sensitivity and allowable current value of input unit
5. Elliptic scan time base
(1) Frequency 50/60, 100, 150, 200, 400Hz
(2) Rotation: 30 ° as the first gear, and can rotate 120 °
(3) Working method: ellipse sine wave straight line
6. Display unit
10.1 inch capacitive touch screen is used.
7. Amplifier
(1) 3dB low frequency fl:10, 20, 40KHz optional
(2) 3dB high frequency fh:80, 200, 300kHz optional
(3) Gain adjustment, rough adjustment 6, inter gear gain difference 20 ± 1dB, fine adjustment range >20db
(4) Asymmetry of positive and negative pulse response ＜ 1dB
8. Time window
(1) Window width: adjustable, 5 ° ~ 170 ° at 50Hz
(2) Window position: each window can rotate 0 ° ~ 170 °
(3) Two time windows can be opened separately or simultaneously.
9. Peak pulse display
The touch screen displays 1 decimal place (10pc or more), 2 decimal places (less than 10pc), error: ± 3% (in full scale)
10. Test voltage display
(1) Range 150kV
(2) Input impedance: >1m Ω
(3) Display: touch screen display, display 1 decimal place
(4) Error: ± 1%
11. Test frequency display
Error: less than ± 1%
12. Zero standard system
Zero sign is consistent with all ellipse scanning frequencies
13. Structure
(1) Dimensions: 370mm (width), 460mm (depth), 215mm (height)
(2) Weight: about 12.5kg
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