Scope of application: Using non-invasive detection methods to detect and locate partial discharge defects in high-voltage electrical equipment. Sensor configuration standard: ultrasonic sensor (UA), ground electric wave sensor (TEV), optional: transformer specific sensing network, GIS specific ultra-high frequency sensor, high-voltage cable specific sensor, can also be customized according to user requirements. Detection principles: Ultrasonic method (UA), electric wave method (TEV), and ultra-high frequency method (UHF).

Product Features

1. Online measurement of local discharge, no need for power outage, can achieve live detection of partial discharge of electrical equipment in operation anytime and anywhere;

2. Super strong interference, which can effectively shield external strong electrical interference and ensure the reliability of data;

3. Strong scalability, by configuring different sensors, it is possible to achieve control over transformers and switchgear, GIS， The detection of cables, high-voltage cables, high-voltage lines and other equipment greatly improves the flexibility of instruments;

4. Adopt high-sensitivity imported sensors, which have a gain at least 6dB higher than conventional sensors;

5. Adopting imported high-efficiency lithium polymer batteries, the instrument has a battery life of up to 8 hours.

6. More convenient; The testing bandwidth range is 30kHz-2.0GHz, suitable for detection principles in various frequency bands;

Technical parameters:

1. Detection frequency band: Ultrasonic: 40-200KHz Ground wave: 3-100MHz Ultra high frequency: 300-2000MHz.

2. Measurement range: Ultrasonic: -90~80dB Ground wave: -80~10dBm Ultra high frequency: -80~10dBm

3. Sensitivity: Minimum 10pC (depending on the distance between the sensor and the discharge source).

4. Sensor: ① Ultrasonic sensor: 20-200 (kHz); ② Ground electric wave (TEV): 5~100MHz. ③ Ultra high frequency sensor: 300-2000 (MHz), with directional reception characteristics;

5. Equipped with built-in ultrasonic sensors, ground wave and ultrasonic two in one sensors, optional transformer specific sensors, GIS specific sensors, cable specific sensors and other components;

6. Software function: ① Continuously detect ultra-high frequency, ground wave, and ultrasonic signals to determine whether there is partial discharge; ② Real time display of the changing trend of the measured signal, which can make a more intuitive judgment on the development of partial discharge signals; ③ Capable of on-site storage of data.