Partial Discharge Testing Detector Testing instrument

1. Requested Service Condition:

1.1. Ambient temperature: 0~20℃±2℃

1.2. Relative humidity: ≤80%

1.3. Power supply: 220V±22V，50HZ

1.4. Should not be subject to severe vibration and mechanical shock

1.5. The air should not contain enough dust and impurities to erode device. 

1.6. Should not be subject from strong electromagnetic interference.

1.7. Good ventilation

1.8. Grounding requirements: Ground resistance ＜1Ω

 

2. Capacity range of testing sample: 6PF--250μF

 

3. The sensitivity can be detected (please check below Table 1)

 

Input unit serial no.	Adjustment capacity	Unit	Sensitivity （micro-micro coulomb） （asymmetric circuit）
1	6-25-100	Micro micro farad	0.02
2	25-100-400	Micro micro farad	0.04
3	100-400-1500	Micro micro farad	0.06
4	400-1500-6000	Micro micro farad	0.1
5	1500-6000-25000	Micro micro farad	0.2
6	0.006-0.025-0.1	micro farad	0.3
7	0.025-0.1-0.4	micro farad	0.5
8	0.1-0.4-1.5	micro farad	1
9	0.4-1.5-6.0	micro farad	1.5
10	1.5-6.0-25	micro farad	2.5
11	6.0-25-60	micro farad	5
12	25-60-250	micro farad	10
7R	Resistance		0.5

 

4. Magnifier Band

 

4.1. Low terminal:  10KHZ , 20KHZ, or 40KHZ, it’s up for you to choice.

4.2. High terminal: 80KHZ, 200KHZ, or 300KHZ, it’s up for you to choice.

 

5. Magnifier adjustment:

 

There are six position for coarse adjustment, the gain between gears is 20±1db; Fine adjustment range >20db.

 

6. Time window:

 

6.1 The showing color of time screen window is yellow.

6.2. Window width: adjustable range: 15°～150°

6.3. Window position: each window can rotate 0°～170°

6.4. there are 2 time windows. These 2 time windows can be used at the same time or separately to be used.

 

7. Electricity discharge meter

 

Ø It is a digit head of form.

Ø 0 – 100.0 can be shown by  3½LED digit.

Ø The Error<±5% (counted as full graduation)

 

8. Ellipse time base

 

Ø Frequency is 50HZ, the frequency can be choused arbitrarily.

Ø The color of oval display is blue.

Ø The rotation of oval: each 30° as one gear position, it can rotates 180°.

Ø Showing mode: ellipse -- straight line

Ø The base oval can be adjusted to normal size at high frequency when input voltage (13∽275V), its ingestion power <1V.

 

9. Testing voltage meter

 

Ø Measurement range: 100KV (extensible)

Ø Showing: 3½ digital voltage meter indication

Ø Accuracy: better than ±5% (counted as full graduation)

CNME’s business activities cover Transformer routine Test , including Digital Partial Discharge Detector, DC Resistance Tester Test Instrument , Transformer testing Bench and we also supply national and international engineering, turn-key services, foreign trade, equipment supervision and so on.

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