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Kongter - Model K-3837 -Ground Fault Locator
Kongter’s K-3837 Ground Fault Locator is developed to fast detect, trace and pinpoint virtual grounding faults on LIVE DC systems with earth fault. It will save you from long time unnecessary troubleshooting and helps to increase the stability of your electrical equipments. It is widely used in various DC systems including power utilities, locomotive, telecom and etc. Kongter offer multiple options of ground fault locators for fast fault detection. For advanced model, please refer to K-3838 Ground Fault Locator.
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- Safe to use
Grould faut locator to quickly pinpoint the fault without injecting signal to DC system. No interruption to DC system itself during signal fault location with its built-in model for current and voltage limitation. - High reliable designing
It adopts main system of 16-bit micro-processor. Hardware designing strictly follows EMC standard to ensure reliability of itself and its tested systems. - Precise measurement
It adopts high accurate current clamp for signal tracing and precise ADC for voltage sampling. This ensures the accurate measurement of voltage and resistance. - User-friendly interface
It has LCD display with vivid information indicating grounding status, waveform, insulation leveling, insulation resistance, leakage current, and direction of ground fault and so on. This user-friendly interface makes it easy and effective to use in the field. - Intelligent measurement function
- Signal analyzer can automatically identify system voltage leveling.
- When insulation resistance has any change, signal analyzer could quickly indicate the change.
- Distance will not affect the ground fault detection once the signal analyzer and detector are synchronized.
- During ground fault location, current clamp could either clamp on single cable or multiple cables for faster and more effective signal tracing.
- Signal detector will indicate the direction of ground fault on screen once it detects any insulation problem.
- Signal detector and analyzer have wireless communication. Complete measurement could handle different types of insulation problem in DC system.
- Measures voltage between DC system and ground ranging from 0 to 300V.
- Measures grounding resistance up to 999KΩ for both busbars and each branch circuit
- It detects and measures AC voltage which interrupts in DC system. Detection range is from 0 to 288V.
- Fast signal positioning for the point with ground fault in branch circuit.
- It performs the function as accurate current meter with resolution up to 0.01mA.
- It could quickly pinpoint the ground fault without injecting signal to DC system.
- Arrow indication effectively helps users trace the signal and pinpoint the ground fault.
- Display of insulation levelling after signal detection on each tested circuit branch.
- Waveform display for tested circuit, indicating insulation status and current changes in tested circuit, it help users fast and effectively locate the point with grounding fault.
Operation environment
- Temperature: -30℃～+50℃
- Humility: ≤95%
Wireless communication
- Signal power: ≤ 10dbm
- Signal frequency: 433Mhz
- Sensitivity: -106dBm
- For DC system of 48V, 110V, 220V or customized voltage level.
- Voltage range of system to ground: 0-300V
- Measurement of DC voltage to ground: 0-300V
- Measurement of AC voltage to ground: 0-300V
- AC interruption warning: ≥5V
- Voltage resolution: 0.1V
- Measurement range of system to ground: 0-999.9KΩ
- Grounding resistance resolution: 0.1KΩ
- Display: LCD
- Current detection signal: 0-2mA adjustable
- Voltage detection signal: 0-50V adjustable
- Signal frequency: 0.16Hz and optionally no-signal mode
- Anti-interference from DC distributed capacitance: 1000uF
- Power supply: powered by tested circuit
- Weight and dimension: 0.503kg, 200*117*55mm
- Insulation resistance (in signal mode)
- In 220V system: 0 -600KΩ
- In 110V system: 0 -300KΩ
- In 48V system: 0 -60KΩ
- Resistance resolution: 0.1KΩ
- Insulation resistance (in no-signal mode)
In 220V system: 0 -50KΩ
In 110V system: 0 -25KΩ
In 48V system: 0 -10KΩ
Resistance resolution: 0.1KΩ
- Waveform display time: 12 seconds
- Current measurement range: ±100mA
- Current resolution: 0.01mA
- Display: LCD
- Direction indication: forward or reverse direction indicating in arrow
- Anti-interference from DC distributed capacitance: 1000uF
- Distance from analyzer during signal tracing: no limitation
- Clamp jaw size: Ф30mm
- Power supply: 5V by 4 pieces of AA standard battery
- Weight and dimension: 0.332kg, 200*100*33mm