The JFD-1250 Digital Intelligent Partial Discharge Detector is a new generation digital partial discharge detector independently developed by Yangzhou Keneng Power Electronic Equipment Co., Ltd..It is widely applicable for partial discharge measurement of various high-voltage electrical products such as transformers, instrument transformers, high-voltage switches, zinc oxide arresters, power cables, and scientific research institutions, as well as for type tests of products and insulation operation monitoring.
Main Technical Indicators of Digital Intelligent Partial Discharge Detector
2.1 Testable capacitance range
Testable capacitance range: 6pF--250μF
2.2 Detection sensitivity
2.3 Amplifier frequency band:
Low end: 10KHZ, 20KHZ, 40KHZ optional
High end: 80KHZ, 200KHZ, 300KHZ optional
2.4 Amplifier gain adjustment:
Coarse adjustment six gears, gain between gears 20±1 dB; fine adjustment range ≥20dB
2.5 Time window:
Window width: adjustable range 15°～150°
Window position: each window can rotate 0°～170°
Two time windows can be opened separately or simultaneously
2.6 Discharge quantity measurement:
Discharge quantity measurement: 0-100.0 error <±5% (based on full scale)
2.7 Elliptical time base:
Frequency 50HZ, 100HZ, 150HZ, 200HZ, 400HZ
Ellipse rotation: can rotate 120°
Display mode: ellipse — straight line
2.8 Test voltage measurement:
Range: 100KV (expandable)
Accuracy: better than ±5% (based on full scale)
2.9 Zero mark function:
Has internal and external zero mark functions, beneficial for identification of partial discharge
2.10 Digital processing system technical indicators:
Computer: ASUS motherboard, 1G memory, RS232 interface, WIN XP interface, INTER dual-core 2G or above processor, 80G hard disk
