Summary
PD detector HSJFD-3A is produced recently. It is widely used in the measurement of partial discharge, product type test and insulation operation supervision of various high-voltage electrical products such as transformers, transformers, high-voltage switches, zinc oxide arresters, power cables, etc.
The instrument has high detection sensitivity, large sample capacitance coverage, wide range of test samples, complete input unit (detection impedance), and multiple frequency band combinations (nine kinds). The instrument can directly read the discharge capacity of discharge pulse after proper calibration. The pointer type meter and the digital meter display at the same time. The pointer type meter can conveniently select the logarithmic scale or the linear scale indication according to the needs.
This instrument is widely used in power sector, manufacturers and scientific research units.
Feature:
1. large scale integrated circuit make the tester more stable and accurate..
2. large-screen CRT, the screen area to work effectively 100 × 80mm, can be clearly observed discharge waveform.
3. A, B, C three-channel test interface, more convenient testing.
4.Double-header shows the amount of discharge, both figures table shows PC value, while another pointer header shows PC value, the pointer table can be divided into linear and logarithmic instructions.
5. Low noise, high detection sensitivity, wide capacitance coverage area
6. Small size and light weight make it easy to carry.
Main technical index
1. Testing scope: 6PF - 250µF
2. Amplifier band:
(1) low-end: 10KHZ, 20KHZ, 40KHZ optional
(2) high-end: 80KHZ, 200KHZ, 300KHZ optional
3.Sensitivity: 0.02PC (Capacity 500pF)
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Input unit
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Tuning capacity
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Unit
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Sensitivity (asymmetric circuit)
|
|
1
|
6-25-100
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µµF
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0.02
|
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2
|
25-100-400
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µµF
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0.04
|
|
3
|
100-400-1500
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µµF
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0.06
|
|
4
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400-1500-6000
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µµF
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0.1
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5
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1500-6000-25000
|
µµF
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0.2
|
|
6
|
0.006-0.025-0.1
|
µF
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0.3
|
|
7
|
0.025-0.1-0.4
|
µF
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0.5
|
|
8
|
0.1-0.4-1.5
|
µF
|
1.0
|
|
9
|
0.4-1.5-6.0
|
µF
|
1.5
|
|
10
|
1.5-6.0-25
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µF
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2.5
|
|
11
|
6.0-25-60
|
µF
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5.0
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|
12
|
25-60-250
|
µF
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10
|
|
7R
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Resistance
|
µF
|
0.5
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4.Amplifier adjustment:
6 coarse grade, 20db each grade;
scope of fine-tune> 20db.
5.Time window:
(1) Window Width: 15 - 150°Adjustable
(2) Window Position: Each window can be rotated 0 -170°
(3) 2 windows can be opened separately or simultaneously.
6.Discharge scale:
(1) Analog Meter: logarithmic scale 1-10-100, error＜5%
linear scale 0-1000 Error＜5% (based on full-scale meter)
(2) Digital Header: 3.5 LED shows 0-100, error＜5%
7.Elliptical:
(1) Frequency 50HZ, 100HZ, 150HZ, 200HZ, 400HZ
(2) Elliptical rotation: 30°each grade, it can be used for 120°rotation
(3) Display: Oval - straight line
(4) high-frequency input voltage:13V-275V, power:＜1VA
8.Testing Voltmeter:
(1) Range: 100KV (expandable)
(2) Display: 3.5 digital voltmeter instructions
(3) Accuracy: 5%
9. Power supply: 220V
10.Size:530×550×220mm3
11.Weight:22KG
0.1Hz VLF AC/DC Hipot tester
