China High Quality transformer insulation resistance test Manufacturer – GDPD-414 Portable Partial Discharge Detector – HV Hipot

Main
unit

UHF sensor,
round type, suitable for GIS

UHF sensor, rectangle type, suitable for power cable, transformer, switchgear

HFCT, suitable for power cable, transformer

TEV sensor,
suitable for switchgear

Ultrasonic sensor, suitable for transformers, switchgear

Above pictures are only for reference first.

The GDPD-414 Portable (GDPD-414H handheld) Partial Discharge Detector adopts smart quick intelligent power test system (Soft No. 1010215, trademark registration number 14684781 (14684481)). It can flexibly configure various sensors according to different products to be tested. TEV, ultrasonic and HFCT are suitable for partial discharge detection of high-voltage switchgear and ring network cabinet; Ultrasonic and UHF are suitable for detecting GIS; Ultrasonic and HFCT are suitable for testing power cable. The built-in expert diagnosis system can analyze the test data and judge the discharge energy and possible parts. It is widely used in electric power and railway.

Ultrasonic and TEV sensor (2-in-1)

Features

● Portable ABS engineering chassis. All PD detection hosts, tablets, sensors, chargers and signal cables are placed in the portable engineering chassis. The total weight is less than 8KG, easy for carrying and operating.
● High-speed DSP/FPGA sampling board, 4-channel or more synchronous data acquisition, signal processing, feature parameter extraction, data can be sent to the handheld terminal by wire and wireless.
● Analyze software based on ARM embedded system. Display software based on windows system.
● A data acquisition host can simultaneously configure 4 channels of the same or different sensors and simultaneously collect and analyze 4 channels of signals.
● 6/8/16 channels can be configured according to customer’s different demands. 
● 8.1inch 1280 x 800 IPS touch screen.
● The software system judges the discharge energy and location according to the detection data, and it can display the PRPS and PRPD maps, ellipse diagrams, discharge rate maps, QT maps, NT maps, PRPD cumulative maps-ϕ-Q-N maps of each signal channel, and can display amplitude and pulse number of each signal channel. All the data can be stored.
● Over-limit alarm. Using three-color indication modes of red, yellow and blue, which indicates the severity of partial discharge and facilitates information reading.
● Average trouble-free time is over 50000hours
● Safety performance: meets GB/T 19862-2005 general requirements for switchgear monitoring equipment.
● Electromagnetic compatibility:
   Electrostatic discharge immunity meets level IEC 61000-4-2: 2001
   Damped oscillatory magnetic field immunity meets IEC 61000-4-10: 1993 level 3
   Power frequency magnetic field immunity meets IEC 61000-4-8: 2001 level 3
   Pulse magnetic field immunity meets IEC 61000-4-9: 1993 Level 3
● Power supply: powered by 12V lithium battery, power consumption < 10W, continuous working for more than 7 hours.
● Environmental conditions:
   Storage temperature: -40℃ ~ +85℃,
   Working temperature: -20℃ ~ +60℃,
   Relative humidity: 5% ~ 95% without condensation at 25℃
● Lightweight and easy to carry, it is suitable for field use
   Signal acquisition host weight

GDPD-414 / GDPD-414H Specifications

GDPD-414H Handheld Partial Discharge Detector