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KDYZ-306 3-Phase ZnO Lightning Arrester Tester
KDYZ-306 3-Phase ZnO Lightning Arrester Tester

KDYZ-306 3-Phase ZnO Lightning Arrester Tester

Applications:

The KDYZ-306 is used for on-site and laboratory testing of 3-phase zinc oxide (ZnO) lightning arresters. It measures total current, resistive current, and harmonics to detect insulation degradation and valve plate aging, making it essential for substation maintenance, power grid safety, and quality control in electrical equipment manufacturing.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

The KDYZ-306 is a portable, battery-powered tester for comprehensive evaluation of 3-phase ZnO lightning arresters. It features a large LCD display and a user-friendly Chinese menu interface, enabling precise measurement of total current, resistive current, and harmonic components using high-precision sampling and Fourier analysis. Equipped with a rechargeable battery for 6 hours of operation, a built-in thermal printer, and data storage for 120 test records, it supports wireless synchronized voltage sampling and edge-phase correction, ensuring reliable and efficient testing in both field and lab environments.

Features:

  • High-speed magnetically isolated digital sensors for safe and reliable voltage/current data acquisition.
  • Supports wireless synchronized voltage sampling for flexible on-site testing configurations.
  • Outputs resistive current fundamental peak values and provides edge-phase correction for accurate results.
  • Built-in calendar clock for timestamping test data and built-in thermal printer for on-site report generation.
  • Stores up to 120 sets of measurement data for later review and analysis.
  • Rugged design for protection during transport and field use.

Parameter:

  • Total Current Range: 0–10mA RMS, 50Hz/60Hz
  • Total Current Accuracy: ±(5% reading + 5μA)
  • Resistive Current Fundamental Accuracy: ±(5% reading + 5μA) (secondary method, no inter-phase interference)
  • Current Harmonic Accuracy: ±(10% reading + 10μA)
  • Reference Voltage Input Range: 25V–250V RMS, total harmonic content <30% (50Hz/60Hz)
  • Reference Voltage Accuracy: ±(5% reading + 0.5V)
  • Voltage Harmonic Accuracy: ±(10% reading)
  • Phase Angle Between Fundamental Current & Voltage: 0–360°
  • Battery Life: 6 hours (main unit)
  • Charging Power: 220V±10% (50Hz/60Hz)
  • Charging Time: 5 hours
  • Dimensions: 325mm × 280mm × 140mm (main unit)
  • Weight: 3.5kg (main unit, excluding cables)
  • Operating Environment: Temperature -10°C~50°C, Humidity <90%

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Kaidi Zhengda

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