Wuhan GDZX Power Equipment Co., Ltd
LONG-TERM PROJECT, QUALITY FIRST.
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DC System Earth Insulation Tester Ground Earth Fault Locator Calibrator Equipment
Functions
1. In line or off line testing the insulation monitoring device or ground fault locator
2. Positive grounding test function
3. Negative grounding test function
4. Two-pole grounding test function
5. Voltage accuracy test function
6. Voltage limit exceeding alarm test function
7. AC grounding test function
8. Balance bridge test function
9. System counter distributed capacitance test function
10. Branch counter distributed capacitance test function
11. Signal analysis function
12. Loop simulation function, can do device ability test under loop current
1. Working environment:
a) Working power supply: AC220V±15%
b) Environment temperature:-20℃—45℃
c) Relative humidity: 0—90%
2. Controllable DC source parameters:
a) DC source output range: 0-260V
b) Voltage output regulation fineness: 0.2%
c) Maximum output current: 1.2A
3. AC power source parameters:
a) Output voltage level: AC220V, AC50V
4. DC voltage measurement
a) DC voltage measuring resolution: 0.1V
b) Positive grounding voltage accuracy: 0.1%
c) Negative grounding voltage accuracy: 0.1%
d) System voltage measuring accuracy: 0.1%
5. Positive Negative insulation resistance parameters:
a) Resistance regulation range: : 0-256 kΩ
b) Resistance regulation space: 1 kΩ
6. Branch positive negative grounding distributed capacitance parameters:
a) regulation range: 0-16uF
b) regulation space: 1uF
7. System positive negative grounding distributed capacitance parameters
a) Regulation range: 0-125uF
b) Regulation space: 1uF
8. Test Setting parameters
a) Selectable testing point group number: 1-5 groups
b) Testing time interval setting range” 5-999S
c) Testing time setting range: 5-999S
9. Display and touch screen parameters:
a) Display screen: 5.6”TFT
b) Screen resolution 65536color 640X480
c) Touch screen resolution: 4096 dots
