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DC Monitoring and Maintenance

YW-D860 Portable DC System Ground Fault Finder

YW-D860 can be used to detected that all kinds of insulation faults and AC fleeing into DC  fault and DC-loop fault in DC system voltage level 24V/48V/110V/220V.

Functional features

(1)Function of DC-system grounding voltage measurement and Insulation resistance measurement.

(2)Function of testing the AC fleeing into DC and grounding fault Point Location.

(3)unction of system equal capacitance to ground measurement.

(4)Function of Ring network detection and location.

(5)The analyzer have amplitude modulation, frequency modulation, signal waveform selection function.

(6)Function of branch grounding fault Point Location and branch insulation resistance measurement.

(7)Function of display the fault current waveform curve and fault direction.

(8)Function of Signal spectrum analysis.

(9)high-precision clamp ammeter.

(10)A variety of caliber of AC clamp ammeter and DC clamp ammeter,the device can automatically identify.

Main Specifications

1¡¢Working power:DC40V--300V.

2¡¢The environment temperature: -5¡æ¡«+50¡æ;

3¡¢Relative humidity: Less than or equal to 90%;

4¡¢DC voltage measurement range:0--300V

5¡¢DC voltage measurement resolution:0.1V

6¡¢DC voltage measurement precision:0.5%

7¡¢AC invasion voltage measurement range :0--240V

8¡¢AC invasion voltage measurement resolution:0.1V

9¡¢distinguish-ability precision :1%

10¡¢Insulation resistance range:0--999.9K¦¸

11¡¢Insulation resistance measurement resolution: 0.1K¦¸

12¡¢Insulation resistance measurement precision:¡Ü¡À5%

13¡¢System distributed capacitance measurement range£º0--999uF

14¡¢Signal amplitude adjustable range:0mA,0.25mA,0.5mA,1mA,2mA

15¡¢Signal amplitude frequency range:0.125Hz,0.25Hz,0.5Hz,1.0Hz

16¡¢Signal waveform type selection:sinusoid wave and square wave

17¡¢Work mode:force signal launch and auto signal launch

18¡¢Display medium and resolution:TFT,320x240

19¡¢Insulation resistance measurement

20¡¢Insulation resistance measurement resolution: 0.1K¦¸

21¡¢Insulation resistance measurement precision:¡Ü¡À10%

22¡¢Spectral analysis channel number:1

23¡¢Spectral analysis frequency range:0.125Hz--1Hz

24¡¢Frequency resolution:0.125Hz

25¡¢Voltage wave display cycle:8s

26¡¢Detects the feeder current range:-2A--+2A

27¡¢Current measurement range:-50mA--+50mA

28¡¢Display medium and resolution:TFT,320x240

29¡¢Transmission rate:2Mbps,Due to the air transmission time is short,Greatly reduce the collision phenomenon in the wireless transmission.

30¡¢Multi-frequency point:125,Meet the requirements of multi-point communication and frequency hopping communication.

31¡¢Sub-miniature:built-in 2.4GHz antenna.

32¡¢Low power dissipation:When work in answer mode communication,Fast air transmission and start time,Greatly reduces the current consumption.

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