DGY300B Cable Fault Tester
Darui Electric recommends:
DGY300BCable Fault Tester can test various types of cable faults below 35KV voltage level, including high-resistance flashover, leakage faults, low-resistance, short-circuit faults, and open-circuit faults.
DGY300BCable Fault Tester adopts a box-type structure and a touch screen operation interface. All function buttons are intuitively displayed on the screen, and users can operate directly through the touch screen. It has waveform storage function, which can store a large number of field test waveforms for convenient recall, observation, and comparison on the same screen. The test interface is simple and clear, the function button definitions are concise, and the measurement method is simple and fast.
1. Test methods: low-voltage pulse method and high-voltage flashover method.
2. Technical parameters
Test distance: For low-voltage pulse method, the test distance is 16Km; for high-voltage flashover method, the test distance is not less than 15Km.
System test accuracy: less than 20cm.
Pulse amplitude: not less than 250Vpp when the load impedance is 50Ω.
Pulse width: 0.2μs, 2μs, 4μs three types.
Sampling frequency: 48MHz, 24MHz, 12MHz, 6MHz.
System pinpoint error: When the host measurement results are combined with the digital synchronous pinpoint instrument measurement, the error is zero.
Reading resolution: 1m
Preset wave propagation speeds for 4 types of cable media: oil-impregnated paper: 160m/μs; cross-linked polyethylene: 172m/μs; polyvinyl chloride: 184m/μs; and settings for other non-power cable wave propagation speeds (self-selected media).
For other non-power cables, the speed measurement function of this device can measure the propagation speed of the wave in the cable after inputting the known total length of the cable.
3. Sampling method: current sampling method.
4. Working conditions: temperature -10 ~ +45oC, relative humidity 90%.
5. Dimensions: 430×300×190mm.
6. Weight: about 10kg.
Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.
