Ground Fault Locator ARL-K-3836

Ground Fault Locator ARL-K-3836

The Ground Fault Locator ARL-K-3836 is a sophisticated fault locator developed to fast detect, track, and pinpoint virtual grounding faults on DC systems. It saves hours of unnecessary troubleshooting and significantly helps increase the reliability of electrical equipment. The device is widely used in applications like locomotive, telecom, and power utilities. It works by injecting a low-frequency current signal into the DC system and tracing the return circuit to the fault point, even when the system is working online.

Key Features:

• Patented technology to pinpoint current leakage fault with grounding resistance lower than 1MΩ.
• Fast location for ground fault in different DC systems.
• Strong anti-interference when the DC system is working online.
• Innovative dual-range current detector (clamp) with two sizes of opening jaw (φ8 and φ20) for different conductors.
• One pair of clamps works together to effectively cancel capacitive interference when the DC system is online.
• Precise current direction (positive or reversed) indication helps fast locate the faulty grounding.
• Multi-ways to indicate ground fault: sensitive current direction, signal strength, and phase angle.
• Signal generator with adjustable output voltage (24V – 1000V).
• No disconnection of the electrical installation is required; ground fault location is carried out during operation.
• Digital signal processing technology for detecting grounding resistance and capacitive resistance.
• Built-in band pass filter to bypass different interference signals in the ambient environment.
• Signal receiver can set a reference point for signal comparison, which is very fast for fault orientation.

Technical Specifications:

• Ground fault location:
• Output voltage: 24V, 48V, 110V, 220V, 500V and 1000V.
• Output frequency: 10Hz.
• Output current limitation: 5mA & no limit (max: 25mA).
• Fault location sensitivity: ≤
1MΩ(or ≤
400Ω depending on source).
• Current detect sensitivity of AC/DC circuit: ≤0.5mA.
• Current sensor: 
φ8 and 
φ20, two clamps with dual-range.
• Power supply:
• Signal generator: 3500mAh/16.8V rechargeable Li-ion battery.
• Signal receiver: 2400mAh/7.2V (or 8.4V) rechargeable Li-ion battery.
• Power consumption: ≤4 hours.
• Memory: 16MB.
• Display:
• Signal generator: 320 * 240 pixel 3.5″ LCD screen.
• Signal receiver: 240 * 320 pixel 3.5″ LCD touch screen.
• Working temperature: -10℃ – 55℃.
• Dimension: L420*W340*H14mm.
• Weight: 7.0 kg.

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