PD Detector - Yangzhou Darui - Yangzhou Darui Electric Co., Ltd.

Automatic Dielectric Loss Tester - Yangzhou Darui

局部放电检测仪-扬州达瑞

Published: 2020-08-07 10:49:10

产品价格：0.00

Category: Partial Discharge Tester

Product Description

PD Detector

Darui Electric recommends：

电气设备产生局部放电时，会产生电磁波，电磁波在向外传播时会生成一个暂态的对地电压信号。这个信号的大小与局部放电的激烈程度及放电点的远近有直接关系。可以利用专门的探测器进行检测，这种探测器就是局部放电检测仪。

Main Technical Specifications

1. Test object capacitance range: 6pF--250μF

2. Detection sensitivity (see Table 1)

3. Amplifier Band:

① Low end: 10kHz, 20kHz, 40kHz selectable

② High end: 80kHz, 200kHz, 300kHz selectable

4. Amplifier gain: 6 coarse steps, 20±1db between steps; fine range >20db

Table 1:

Input Unit No.	Tuning Capacitor	Unit	Sensitivity (pC) (Asymmetric Circuit)
1	6-25-100	pF	0.02
2	25-100-400	pF	0.04
3	100-400-1500	pF	0.06
4	400-1500-6000	pF	0.1
5	1500-6000-25000	pF	0.2
6	0.006-0.025-0.1	μF	0.3
7	0.025-0.1-0.4	μF	0.5
8	0.1-0.4-1.5	μF	1
9	0.4-1.5-6.0	μF	1.5
10	1.5-6.0-25	μF	2.5
11	6.0-25-60	μF	5
12	25-60-250	μF	10
7R	Resistance		0.5

5. Time Window:

① Width: adjustable 15°~150°;

② Position: each window rotates 0°~170°;

③ Two windows can be opened separately or simultaneously.

6. Discharge Meter:

Analog meter: Log scale 1-10-100 error <±5% (full scale)

Linear scale 0-1000 error <±5% (full scale)

Digital meter: 3½ LED display 0-100.0 error <±5% (full scale)

7. Elliptical Time Base:

① Frequency: 50Hz, 100Hz, 150Hz, 200Hz, 400Hz

② Rotation: 30° per step, 120° range.

③ Display: Ellipse — Line.

④ HV time base ellipse adjustable with input voltage (13~275V), power <1VA.

8. Test Voltmeter:

① Range: 100kV (expandable)

② Display: 3½ digital voltmeter

Accuracy: <±5% (full scale) 9. Internal/External Zero Mark

10、体积：500×500×210 mm

11. Weight: approx. 18kg

Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.

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Product Details

局部放电检测仪-扬州达瑞

Main Technical Specifications