Electronic High Voltage Test Equipment Digital Partial Discharge Detector

Features

1. High measuring sensitivity, wide application, high signal-to-noise ratio

2. Equipped with large screen oscillometer, clear display with high frequency oval sweep (uptake power less than 1VA), 9 groups of frequency bands, discharge impulse amount can be read directly

3. This detector usually work with Correcting impulse generator. It is widely applied in power stations, manufacturers and institutions.

Parameter

1. Tested product capacity: 6PF - 250μF.

2. See below table:

3. Oval Time Base:

Frequency: <50, 100, 150, 220, 400Hz
Ellipse Rotation: each gear 30°, 360°rotation can be made
Display: Oval –extend– straight line.
High-frequency time base elliptical input voltage 10~250V, intake power < 1 VA, with over-load protection

4. Display

124x10mm rectangle oscillometer, brilliant and focus adjustment button

5. Amplifier

1) 3dB low frequency band: 10KHZ, 20 KHZ, 40 KHZ (selectable),

2) 3dB High frequency band: 80 KHZ, 200 KHZ, 300 KHZ (selectable)

3) Regulation: coarse control- there are 6 gears for coarse tuning, the gain of each gear is 20±1db, fine control ≥ 20 db

4) positive and negative pulse response asymmetry<1dB

6. Time Window:

Window width : Adjustable range 15° ~ 150°;
Window position : Each window can be rotated 0°~ 170°;
Two time windows can be opened separately or simultaneously.

7. Discharge scale:

Linear pointer type headers: 0-100 error±5% (full scale)

Logarithm pointer type headers: 0-10-100 error ±5% (full scale)

Digital meter: 31/2 LED display figures: 0-100 error ± 3% (full scale)

8. Testing voltage meter

Range : 100kV ( can expand )
Display : 3 ½ digit voltmeter indication
Accuracy: ± 3%

9. Zero Mark function

10. Dimension: 530X550X220mm, Weight about 22 KG

Correcting impulse generator parameters:

1. Output electric charge :5pC,10pC,20pC,50Pc

2. Polarity: Positive or negative , Alternative

3. Repetition frequency: 1.2kHz

4. Frequency varying range: >±100Hz

5. Impulse setting edge time:<60nS

6. Impulse drop edge time: >100uS

7. Injection capacitance:10pF

8. Correcting charge error: Eq≤±10％

9. Dimension: 160×125×50mm³

10. Weight: 0.5kg

11. Battery: 6F22 9V