NRJF-3000 Digital partial discharge detector is a new generation of high-performance digital PD measurement and analysis instrument realized by a new technology, which is an alternative to the traditional analog PD instrument. Its unique anti-jamming technology allows you to make accurate measurements in high interference environments; User-friendly interface and high-speed sample refresh rate with visual effects of an analog PD instrument; A variety of waveform analysis and recording methods are provided to make it easy to judge the nature of the discharge; Automatic recording and processing of various test data, can quickly generate a test report with a good picture; Adopting dual-channel embedded system and TFT touch screen, the system is stable and reliable, and the failure rate is low; The system integrates computer technology, analog electronic technology, high-speed signal acquisition technology and advanced digital signal processing and graphic display technology to complete the automatic measurement and analysis of partial discharge.