Wuhan Wugao Electric Measurement Co., Ltd

WDJF-300 Handheld Multifunctional Partial Discharge Tester

This instrument uses high-frequency detection technology to measure partial discharge, and comprehensively uses computer technology, ultrasonic wave, transient ground wave sampling technology, analog electronic technology, high-speed signal acquisition technology and advanced digital signal processing technology. It is developed based on the Linux operating system platform and provides local Two-dimensional and three-dimensional maps of discharge, amplitude and phase spectrum waveforms and quantified values of discharge signals, detailed observation and analysis of single-cycle or multiple-cycle partial discharge pulse waveforms statically or dynamically, which can better evaluate partial discharge in electrical equipment Happening. It is suitable for daily inspection of the insulation performance of high-voltage cables, power transformers and other electrical equipment. It has the characteristics of high sensitivity and strong adaptability, and can effectively find their related insulation defects.


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Product Details

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1.1 Non-contact ultrasonic sensor (AA)

Sensor center frequency: 40KHz±1KHz

Dynamic measurement range: 60dB

Resolution: 0.1dB

Linearity error: <±20%

Sensor form: bendable form/collector form


1.2 Transient Earth Voltage Sensor (TEV)

Detection frequency band: 3MHz~100MHz

Measurement range: 0~60dBmV

Resolution: 0.1dB

Linearity error: <±20%


1.3 Machine parameters

Working environment: temperature -20℃~50℃, humidity 0~85%

Display screen: high-definition color 5.6-inch TFT liquid crystal display, resolution 480*640

Host dimension: 245x160x50mm

Host weight: 1.35Kg

Battery : about 6 hours


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