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Partial Discharge Detection Device
Darui Electric recommends:
Technical Parameters
1. Applicable scope of transformer partial discharge detection device: Adopting non-invasive detection method to detect and locate partial discharge defects in high-voltage electrical equipment.
2. Detection principle: UHF method, ultrasonic method (UA) and ground wave method (TEV).
3. Detection frequency band: UHF 300～1500 (MHz), ultrasonic 20～200 (KHz).
4. Measurement range: UHF -80～-20dBm, ultrasonic 0～90dB.
5. Sensitivity: Minimum 10pC (depending on the distance between sensor and discharge source).
6. Sensors:
① UHF sensor: 300～2000 (MHz), with directional receiving characteristics;
② Ultrasonic sensor: 20～200 (kHz);
③ Ground wave: 10 ~ 70MHz.
7. Handheld partial discharge detector (multi-functional ultrasonic detection analyzer) (cable partial discharge precision locator) has built-in ultrasonic sensor, ground wave and ultrasonic combined sensor;
Partial Discharge Detection Device
8. Software functions:
① Continuously detect UHF, ground wave and ultrasonic signals to determine whether partial discharge exists;
② Real-time display of the changing trend of the measured signal, allowing intuitive judgment of the development of partial discharge signals;
③ On-site data storage function.
9. Instrument features:
① Screen display: High contrast 3.5-inch TFT color screen.
② Data storage: Can save 1000 sets of test data.
③ Working power: Built-in 8.4V lithium battery, can work continuously for 8 hours.
④ Power supply: Input 100-240VAC, output 8.4V/3A, charging time 3～4 hours.
⑤ Dimensions: 220 * 100 * 40.
⑥ Weight: 1.5kg.
⑦ Ambient temperature: -20℃～45℃.
⑧ Storage temperature: -25℃～60℃.
10. Complete configuration: Host, sensors, AC adapter, connecting cables and transport case.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
