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PDF-3000B Portable Strong Anti Interference DC System Ground Fault Tester（production commissioning）

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September 25, 2025
Category Connection: Earth Insulation Tester
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Tags:
#insulation test equipment #insulation resistance test instrument #digital insulation resistance tester
Brief: Discover the PDF-3000B DC System Ground Fault Tester, a portable and powerful solution for detecting grounding faults in DC systems. With advanced phase processing and data transfer algorithms, this tester offers high sensitivity, strong anti-interference, and easy operation without power disconnection. Perfect for power DC systems up to 250V.
Related Product Features:
  • Composed of a transmitter and analyzer with 2.4G wireless communication for synchronized display.
  • Detects various grounding faults including high resistance, multi-point, and AC channeling with high accuracy.
  • Operates without disconnecting power, ensuring continuous system operation during testing.
  • Features intelligent current clamps for automatic detection of opening and closing states.
  • Capable of detecting system capacitance, DC grid voltage, and 50Hz AC inrush faults.
  • Portable design with luxurious outer packaging for easy transportation and use.
  • Works with DC systems below 250V, requiring no special voltage adjustments.
  • Includes internal current limiting protection for safe use with relay and automation devices.
Faqs:
  • What types of grounding faults can the PDF-3000B detect?
    The PDF-3000B can detect various faults including virtual grounding, high resistance grounding, multi-point grounding, single point grounding, small resistance grounding, direct grounding, mixed line grounding, loop grounding, capacitor grounding, and AC channeling grounding.
  • Does the PDF-3000B require power disconnection for testing?
    No, the PDF-3000B does not require power disconnection. It can detect and locate grounding faults while the system remains operational.
  • What is the working voltage range of the PDF-3000B transmitter?
    The transmitter operates directly from the bus with a working voltage range of 30V to 280V, making it versatile for various DC systems.
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