It mainly includes:
- Newer transistor technologies and laser control technologies, such as high-voltage crystal switches;
- Electronic components, digital signal processing, such as high voltage crystal switches, high voltage sources;
- Digital signal processor and filter, data acquisition device A/D converter not less than 14Bit
- Integrated software, compatible with other similar manufacturers data, automatic export reports
High voltage unit, can produce oscillating wave high voltage signal, high voltage generator can produce 0-30kV high voltage; The office release test device with no blind spot in the location of the opposite office release signal distance can locate the office release of the cable below 250m without blind spot; 1 laptop computer for control;

1. The pressurization program can be programmed to support phase voltage multiple input or absolute voltage level pressurization mode;
2. Big data platform with machine learning function;
3. Cable information is automatically imported and shared with status detection platform data;
4. Cable office discharge test and positioning: use low-damping oscillating wave power supply for office discharge test;
5. Cable oscillation wave withstand voltage test: 50 times;
6. Can measure the initial voltage and level of local discharge, and accurately locate the location of local discharge defects;
7. Bureau release and acquisition card for industrial grade board card;
8. Data acquisition device A/D converter greater than 14Bit;
9. The software is free of charge for unlimited installation and use, no need to add a password dog, the working computer can be used and upgraded for free, with strong compatibility and can import data from multiple mainstream devices of the same kind
10. The analysis software can be compatible with the test data of imported mainstream products in the market;
11. With VLF /DS/DAC three-in-one function;
12. With dual positioning function;
13. The equipment has a self-drying system to avoid internal interference caused by humid climate;
14. Select at least 5 measurement intervals for window analysis;
15. The compensation capacitor supports external measurement impedance to eliminate the influence of the test wire on the positioning error;
16. Test signal depth can be freely selected in the range of 2-10.

Power Supply:
1) Voltage: 110-240V
2) Frequency: 48-63Hz
3) Capacity: 500VA
Environmental Conditions:
1) Ambient temperature: -25℃ ~ +70℃
2) Relative humidity: no more than 95%, no condensation
Main technical indicators and functional requirements
1) The maximum output voltage of damped oscillation wave power supply: ≥30kV(peak value), ≥21.2kV(effective value);
2) Damping AC frequency range: 20Hz~1000Hz;
3) Inductor: ≥1.0H;
4) Capacitance range: 0.02uF~8uF;
5) Partial discharge level test range: 1pC~200nC;
6) Partial discharge measurement standard: IEC60270;
7) Partial discharge positioning bandwidth: 150kHz~50MHz, according to the cable length can automatically select the bandwidth;
8) Dielectric loss measurement range: 0.1%~10.0%;
9) With automatic local discharge calibration function
10) In line with international standards of pressure test function
11) Can describe the current level and trend of pressure test
12) Real-time correction of office release results
13) Automatically calibrate cable length, joint position and wave speed
14) Locate multiple office release defects simultaneously
15) Automatic measurement of cable capacitance
16) Automatic measurement of cable dielectric loss tanδ
17) The frequency band width is adjusted automatically and manually to facilitate the filtering of environmental noise
18) Automatically adjust the frequency band width according to the cable length to get a better reflected waveform
19) The charging time does not exceed 2 seconds, and the test time is less than 100ms, which is a non-destructive test
20) With mixed cable wave speed error correction function
21) Automatic and manual analysis functions
22) Emergency shutdown function and safety control loop