1. Capacitance range to be tested: 6pF~250uF
2. Detection sensitivity and allowable current (see Table 1)
3. Elliptical sweep time base
(1) Frequencies50100150200400z.
(2) Rotation: rotating in 120owith 30o each.
(3) Operation mode: standardextensionstraight line.
(4) Input voltage range at the high frequency time-base ellipsoid: 13~275V.
4. Display unit
Adopting 100*80mm rectangle oscilloscope tube, with brightness control and focusing control knob.
5. Amplifier
(1) Frequency on 3dB low frequency, fL side: 20, 40KHz is optional.
(2) Frequency on 3dB high frequency side, fH: 200, 300KHz is optional.
(3) Gain adjustment: 6 shelves coarse adjustment, gain ratio between bands: 10 times of ± 5%.
(4)Fine adjustment range: >10 times.
(5) Asymmetrical distortion in positive and negative pulse response5%.
6. Time window
(1) Width of window: 5~150 degrees (50Hz) continuously adjustment.
(2) Window location: Each window can rotate 0 ~170 degrees.
(3) Two windows can be controlled separately or simultaneously.
7. Pulse peak meter
(1).Linear instruction: 0~100 errors not greater than 5%.
(2) .Logarithm instruction: 1~100, errors not greater than 5%.
Table.1 To measure the sensitivity and the allowable circuit value of the input unit
Input Unit Number | Tuning Capacity Range | Sensitivity (Pc) | Allowable Current Effective Value | |
Unbalanced Circuit | Balanced Circuit | |||
1 | 625100μμF | 0.02 | 30mA | 0.25A |
2 | 25100400μμF | 0.04 | 60mA | 0.5A |
3 | 1004001500μμF | 0.06 | 120mA | 1A |
4 | 40015006000μμF | 0.1 | 0.25A | 2A |
5 | 1500600025000μμF | 0.2 | 0.5A | 4A |
6 | 0.0060.0250.1μF | 0.3 | 1A | 8A |
7 | 0.0250.10.4μF | 0.5 | 2A | 15A |
8 | 0.10.41.5μF | 1 | 4A | 30A |
9 | 0.41.56.0μF | 1.5 | 8A | 60A |
10 | 1.56.025μF | 2.5 | 15A | 120A |
11 | 6.02560μF | 5 | 25A | 200A |
12 | 2560250μF | 10 | 50A | 300A |
7R | resistance | 0.5 | 2A | 15A |
8. With zero-designation system to help to recognize discharge pulse phase.
9. Power supply: 220V±10% industrial frequency
10. Dimensions440×430×180mm
11. WeightAbout 15Kg
partial discharge tester