Technical Specification

1. Application

With suitable test power source, FSJFD-2000 digital type PD detector can be used for AC partial discharge test of all voltage and power rating high voltage apparatus.

2. Ambient condition
Altitude: ≤3000m
Ambient temperature: -15℃~+40℃
Storage temperature: -15℃~+50℃
Max daily temperature difference: ≤25℃
Relative humidity: ≤ 100% (25℃)
Usage location: indoor and outdoor
Anti-seismic capacity: ≤8
Background noise: <5pC
With reliable grounding point, grounding resistance <0.5Ω

3.Components list

4. Technical parameters
1) Power: 0~220V (1±10%), 50Hz (1±3%)
2) Detection sensitive: <0.02pC
3) Detection channel: 2 channels
4) Sampling rate: 20MHz per channel
5) Sampling accuracy: 12Bit
6) Measuring signal frequency range: 0.1pC~1000nC
7) Host operation system: Windows XP
8) Bandwidth selection:
9) Low side: 10, 20, 30, 80kHz (OFF)
10) High side: 100, 200, 300, 1000kHz (OFF)
11) Gain gear: 5 gears
12) Linearity error: ±5%
13) Positive and negative pulses corresponding asymmetry error: ±5%
14) Range switching error: ±5%
15) Low repetition pulse corresponding error: ±5%
16) Synchronizing function: automatically synchronizing inside and outside, can synchronize with any frequency.
17) Windowing function: windowing in any phase, can open symmetrical window, positive window, anti window
18) Measuring mode: calibration, measuring, graphic analysis and other modes.
19) Tuning capacitance range of detection impedance: 25pf~6000pf
20) Output range of calibration pulse generator: 10pC~2000pC
21) Injection capacitance of calibration pulse generator: 50pF, 200pF
22) Pulse distinguishing time of calibration pulse generator: <100ns
23) Calibration voltage step-up time of calibration pulse generator: <60ns
24) Calibration voltage step-down time of calibration pulse generator: >100μs