Product Description:
The handheld partial discharge tester is used to detect and locate the partial discharge defects of high voltage electrical equipment by non-invasive detection method.

Product Parameters:
1.Application scope: non-invasive detection method is adopted to detect and locate partial discharge defects of high-voltage electrical equipment.
2.Sensor configuration
Standard equipment: ultrasonic sensor (UA), ground wave sensor (TEV)
Optional: transformer special sensor network, GIS special UHF sensor, high voltage cable special sensor, can also be customized according to user requirements.
3.Detection principle: UA, TEV and UHF
4.Detection frequency band:
UA: 40~200KHz
TEV: 3~100MHz
UHF: 300~2000MHz.
5.Measurement range:
UA: -90~80dB
TEV: -80~10dBm
UHF: -80~10dBm.
6.Sensitivity: the minimum sensitivity is 10pC (specifically determined by the distance between the sensor and the discharge source).
7. Sensor:
(1) Ultrasonic sensor.
(2) Earth waves
8. Earth-wave and ultrasonic two-in-one sensor;
9. Software Functions:
(1) Continuous detect waves and ultrasonic signals, to determine whether there is partial discharge;
(2) Real-time display the changing trend of the measured signals, and can more intuitive judge on the development of partial discharge signals;
(3) On-site data storage function.
10. Instrument Features:
(1) Screen Display: high contrast 3.5-inch TFT color screen.
(2) Data Storage: 1000 sets of test data can be saved.
(3) Working power source: built-in 8.4V lithium battery can work for 8 hours continuously.
(4) Power source: input 100-240V AC, output 8.4V/3A, charging time 3 ~ 4 hours.
(5) Dimensions: 230 * 120 * 55(mm).
(6) Weight: 0.7kg.
(7) Environment Temperature: - 20 ºC ~ 45 ºC.
(8) Storage Temperature: 25 ºC ~ 60 ºC.
11. Complete Equipment includes host, sensor, AC adapter, connection cable and transport box.

II. Company Information:
Wuhan Hezhong Electric Equipment Manufacture Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture and marketing of power testing products, instruments, power industry automation systems for 20 years.We export completed set to Korea, Singapore, Vietnam, India, Ecuador, Paraguay, Pakistan, Philippines, Russia, Italy, Austria, Portugal, Chile such as PD test system, impulse voltage generator, temperature rising test system, transformer comprehensive test system, cable fault detect system and varies of instruments for transformer, circuit breaker, switchgear, lightning arrestor, insulator, cable, battery,SF6 gas and so on.

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