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

About GDZX
 

Wuhan GDZX Power Equipment Co.,Ltd. is located in Wuhan, China, covering an area of 50 acres, with 6,000 m2 of factory space and 12,000 m2 of office buildings. We specialize in power testing equipment, engineering services, equipment commissioning, operations and maintenance testing, calibration, energy-saving and environmental protection equipment, and power sales. Our integrated solutions provide complete high-voltage testing and electrical inspection services to various power users.

Guodian Zhongxing integrates R&D, production, sales and service, and provides complete solutions for high voltage testing and electrical testing services for all types of power users. It is a well-known brand of electrical testing equipment in China.

The six major categories of products independently developed and produced by the company are mainly used in the handover test, preventive test, condition maintenance and intelligent substation detection of various voltage levels of power equipment in all links of the power system from power generation, transmission and distribution to distribution, factory inspection and annual inspection of primary equipment. Specifically divided into: high voltage/ultra-high voltage/ultra-high voltage AC and DC test equipment series, mobile power test intelligent integrated system, transmission and transformation test instrument, power metering/standard series, SF6 gas/oil test series, battery test series. All products have passed the inspection or type test of the "National Power Industry Electrical Equipment Quality Inspection and Testing Center"; and obtained the calibration certificate of the "National High Voltage Metering Station".