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1. Analyzer：
1) Working voltage: take power directly from the bus (working voltage is 48V ~ 280V)
2) Voltage measurement range： 0 ～ 300V
3) Voltage measurement accuracy: 0.5%
4) Bridge working mode: unbalanced bridge
5) The measurement range of positive to ground insulation impedance of the system: 0 ～ 999.9kΩ；
6) AC power channeling voltage measurement range： 0 ～ 280V；
7) Power consumption: less than 10W
8) Overall dimension (L × w × h): 200*145*46（mm）
9) Weight: 1.7 Kg
10) Suitable temperature: -10℃ ～ +50℃
2. Locator:
1) Working voltage: 12V (working voltage of lithium battery is 9.6V～12.6V)
2) Detection range of branch grounding resistance: 0-300 kΩ
3) Branch grounding resistance measurement accuracy: 0-100kΩ ≤10％±2kΩ 100-300kΩ display specific value
4) Leakage current detection sensitivity: less than 0.1mA
5) Measurement accuracy: 100% 6) Alarm mode: voice, graphics, data, grounding direction
6) Alarm mode: voice, graphics, data, grounding direction
7) Power consumption: less than 1W
8) Overall dimension (L × w × h): 180*100*40（mm）
9) Weight: 1.5 Kg
10) Suitable temperature: -10℃-+50℃
11) Working power supply: lithium battery(12V 3100mAh rechargeable)
Product features:
1. The DC ground location machine is divided into signal transmitter (analyzer) and receiver (locator). The analyzer takes power directly from the bus, without external AC or battery power supply, so the operation is more convenient
2. Solve all the faults of virtual grounding, high resistance grounding, multi-point grounding, single point grounding, small resistance grounding, direct grounding, mixed line grounding, loop grounding, capacitance grounding, channeling AC grounding, transistor isolation grounding, etc
3. Completely eliminate the DC system grounding fault, free from the interference of large distributed capacitance on site, the distributed capacitance measurement function of the system, the Portable DC grounding fault finder can measure the distributed capacitance of the system and display it in real time; accurately lock the fault in the minimum range and locate it
4. Accurately indicate the current direction of grounding signal, voice interpretation, and quickly find the grounding fault point
5. DC Ground Detection and Location Equipment accurately detect the size and phase of line leakage current, and quickly and accurately locate the fault point according to the size and phase change of leakage current before and after the grounding fault point
6. Fault current spectrum analysis function, which realizes the spectrum analysis function of current change through fast FFT transform, effectively extracts the signal amplitude of the measured current frequency point, and improves the detection accuracy
7. System to ground voltage measurement function, the instrument can measure the system positive to ground voltage, negative to ground voltage, system voltage, and realize the voltage monitoring range of 0-300V
8. Signal output power: < 0.15W, with built-in current limiting protection, which has no influence on relay protection, automation device and operation circuit and is safe to use
9. Ripple analysis and digital oscilloscope function: use spectrum analysis function to solve all kinds of interference signals, view all kinds of detection signals and circuit waveform information; can be used as high-precision ammeter, current measurement resolution can reach 0.01mA
10. Intelligent current clamp, which can automatically detect the opening and closing status of current clamp, and the large and small jaws are universal
11. It can adapt to the grounding caused by AC and DC power channeling, ring network detection and positioning function. The instrument can detect all kinds of ring network faults existing in two sections of bus, including positive ring, negative ring, bipolar ring and heteropolar ring, etc., and can realize the positioning of ring network fault points through waveform display and direction display. It has the functions of amplitude modulation, reset, current waveform selection and working mode selection, and can be used for reference The fault location of high resistance ring network is realized
12. Our DC power fault locator can solve the mutual fault of the same pole and different pole DC, and select the mutual fault branch
13. The power supply fault finder can detect the grounding fault of storage battery and the value of bus capacitance
14. No need to install, no need to cut off power, no need to shake insulation, branch insulation impedance measurement and insulation fault location function. The instrument measures the insulation impedance of each branch to ground, and can quickly locate the insulation fault point through waveform display and direction display
15. Waveform curve display and direction display function. When the detector is used to detect the branch under test, the display screen will display the current change of the branch under test in the form of waveform curve, which is convenient for users to quickly and accurately find the fault point, and display the direction of the fault point when there are ring network fault and grounding fault
