The core issue in locating grounding faults in DC power sources in power systems is the high level of on-site interference. When measured under different DC power sources and operating conditions, most products may experience false positives and poor anti-interference performance.Developed and produced using sine signal phase processing technology and data transfer algorithm technology. This product falls between the two types of fixed and mobile, with a mobile usage method and online fixed performance. When searching for DC system grounding faults, there is no need to disconnect the power supply, and the grounding point can be located. The instrument can not only detect the resistance value of the grounding resistance of the DC system, but also the capacity of the grounding capacitance of the DC system, providing a suitable and reliable high-precision detection instrument for the search and location of grounding faults in the power DC system.

1. The 24V, 48V, 110V, and 220V DC systems share a set of DC grounding detectors.
 
2. It can eliminate the grounding fault of the DC system, the interference of large capacitors distributed on site, and accurately lock the fault in a small range.
 
3. Measurement accuracy: 100%.
 
4. Signal output power: ＜ 0.15W, internal current limiting protection, no impact on relay protection, automatic, and operation circuits, safe to use.
 
5. Signal frequency stability: ± 0.02HZ.
 
6. The jaw adopts a "heart" shaped design, with both large and small wires shared, without the need to change pliers.
 
7. Capable of adapting to grounding caused by AC/DC series current, ring network power supply grounding, diode isolation power supply grounding, and high resistance grounding.
 
8. Without installation, power outage, or shaking insulation, one can quickly and accurately find one or more grounding positions.

1. Adaptation to environmental temperature: -10 ℃+50 ℃
 
2. Positioning device working voltage: 12V (lithium battery working)
 
3. Output signal voltage and frequency: Voltage: 5VP-P; Frequency: 2.5Hz
 
4. Grounding resistance detection range: 0-60 K Ω
 
5. Grounding resistance measurement accuracy: error ≤ 10%
 
6. Power consumption: less than 10W
 
7. Dimensions (length x height x depth): 125 x 90 x 125 (mm)
 
8. Weight: 3.5kg