KDZD836 Dc ground fault detector

Opis

ground fault detector

Functional Features
1. System to ground voltage measurement function, the instrument can measure the system positive to ground voltage, negative to ground voltage, system voltage, can realize the voltage monitoring range of 0-300V;
2. System insulation impedance measurement function, the instrument can measure the system positive to ground insulation impedance, negative to ground insulation impedance, can achieve 0-999KQ measurement;
3. Ac series detection function, the instrument can judge the AC series fault in the DC system, and can measure the AC voltage value in the DC system, the AC voltage measurement range is 0-280V
4. Branch insulation impedance measurement function, the instrument measures the positive and negative ground insulation impedance of each branch;
5. Branch grounding fault point positioning function, the instrument can realize the grounding fault branch grounding fault point positioning function:
6. Ammeter function, the device can be used as a high-precision ammeter, and the current measurement resolution can reach 0.01MA:
7. With the function of grounding search without sending signal, the device can locate the grounding fault point without injecting any signal into the system;
8. Direction display function: for the branch with ground indication tested, the instrument will have a direction indication arrow to remind the user of the relative direction between the ground point and the searched ground point, improving the search efficiency. 9. Insulation index analysis function. When using the grounding function test, after detecting a branch, the detector will display the insulation index of the branch for user reference analysis.
10. Waveform curve display function, when using the detector to test the insulation condition of the measured branch, the display will display the current change of the measured branch in the form of waveform curve, which is convenient for users to find the fault point quickly and accurately.
11. Easy to use. The instrument can be used directly only by turning on the power switch, without other key operation.
12. Bezpieczny i niezawodny. This instrument does not need to stop the floating charger and other power supply, and has no effect on the DC system.
13. Ac series detection function, the instrument can judge the AC series fault in the DC system, and can measure the AC voltage value in the DC system, the AC voltage measurement range is 0-280V;
14. Ring network detection and positioning function, the instrument can detect all kinds of ring network faults existing in the two bus, including positive ring, negative ring, polar ring and different polar ring, itp., and can realize the positioning of ring network fault point by waveform display and direction display;
15. The device has the function of amplitude modulation, frequency modulation and signal waveform selection, which can realize the search and location of high resistance ring network fault.
16. Branch insulation impedance measurement and insulation fault location function. The instrument measures the insulation impedance of each branch to the ground, and can realize the location of insulation fault point through waveform display and direction display;
17. Signal spectrum analysis function, the device realizes the spectrum analysis function of the current signal through fast FFT transform, effectively extracts the signal amplitude of the measured signal frequency point, and improves the detection accuracy;
18. Ammeter function, the device can be used as a high-precision ammeter, and the current measurement resolution can reach 0.01MA:
19. Waveform curve display and direction display function. When the detector is used to detect the measured branch, the display screen will display the current change of the measured branch in the form of waveform curve, which is convenient for users to find the fault point quickly and accurately.
20. Wide range of application: any type of power plants, substations, coal mines, chemical plants and other power supply departments can be used.
21. Easy to carry, the signal receiver has its own battery, no external power supply, you can carry it anywhere to find the ground point
The DC system is constantly powered to find the ground point, which does not affect the normal operation of the system.
23 strong anti-interference ability, overcome the influence of the system distributed capacitance.
24. Intelligent charging management to reduce charging time and extend battery life.

ground fault detector