Zhengzhou Great Electric Co.,Ltd.
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Multi-functional Portable Partial Discharge (PD) Tester
Technical Parameters
| TEV | |
| Sensor | Capacitive |
| Measuring range | 0-60dBmV |
| Resolution | 1dB |
| Accuracy | +/-1dB |
| The number of pulses per cycle | maximum 655 |
| Minimum pulse frequency | 10Hz |
| Ultrasonic | |
| Measuring range | -7 to 68 dB μV |
| Resolution | 1dB |
| Accuracy | +/-1dB |
| The sensor sensitivity | -65dB (0dB = 1volt/ bar RMS SPL) |
| Sensor center frequency | 40 kHz |
| Sensor diameter | 16mm |
| Heterodyne frequency | 38.4kHz |
Features
1) Detect and measure PD activities as numerical value in both ultrasonic and TEV mode
2) Test different assets such as switch gear, RMU, and etc.
3) User-friendly and backlit LCD display, key-press operation.
4) With self-test function, easy to know the performance status of the unit.
5) Test data can be saved in the unit and also can be upload to PC
6) With chargeable battery for power supply
7) Protection: IP54
8) Size: 203mm x 72mm x 36mm
9) Weight: 0.3KG
10) Power supply: 3.7V 3.8Ah lithium battery, chargeable
Battery charger
Rated voltage: 90-264V AC
Frequency: 47 - 63Hz
Charging voltage: 6V DC
Charging current: 500 mA
Required to fully charge time: 8 hours
Main Accessories & Specs
1. Flexible sensor (AA)
Option for probe tight spaces (switchgear overhead cable)
Overhead cable:40kHz
sensivity:≤40dB(V/uPa)
2. Function checker
Used for verifying the working status of PD detector before measuring switchgear, transmission line and
other electrical equipments, etc