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

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

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

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

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

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

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

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

13¡¢Insulation resistance measurement

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

15¡¢Spectral analysis channel number:1

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

17¡¢Frequency resolution:0.125Hz

18¡¢Voltage wave display cycle:8s

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

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

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

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

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

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

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

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