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HY6820S Portable Zinc Oxide Arrester Tester for MOA Leakage Current and Resistive Current Analysis

HY6820S Portable Zinc Oxide Arrester Tester for MOA Leakage Current and Resistive Current Analysis

HY6820S Portable Zinc Oxide Arrester Tester is a professional handheld testing instrument designed for electrical parameter measurement and condition assessment of metal oxide surge arresters (MOA).
The tester is widely used for measuring total leakage current, resistive current, capacitive current, harmonic components, and reference voltage of zinc oxide arresters. It adopts advanced digital sampling technology and intelligent data processing methods to provide accurate and reliable test results.
With a compact handheld design, large LCD touch display, and integrated measurement functions, the HY6820S is suitable for field inspection, substation maintenance, and laboratory testing of high-voltage power equipment.
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  • Detailed Description

Key Features

1. Handheld Portable Design

  • Compact and lightweight structure
  • Easy transportation and field operation
  • Suitable for outdoor substation inspection

2. Comprehensive MOA Parameter Measurement

Supports measurement of:

  • Full leakage current
  • Resistive current
  • Capacitive current
  • Harmonic current
  • Reference voltage
  • Voltage harmonic components

3. High Precision Digital Analysis

  • Advanced sampling technology
  • Stable measurement accuracy
  • Automatic calculation and analysis
  • Reliable diagnostic results

4. Large LCD Touch Display

  • Clear graphical interface
  • Real-time waveform display
  • Easy menu operation
  • Improved testing efficiency

5. Flexible Field Application

  • Supports standard 10m test cable
  • Custom cable length available
  • Suitable for various substation environments

Applications

HY6820S Portable Zinc Oxide Arrester Tester is widely used in:

  • Power transmission systems
  • Electrical substations
  • Distribution networks
  • Lightning arrester maintenance
  • Metal oxide arrester inspection
  • High voltage laboratories
  • Power equipment condition monitoring

Technical Specifications

Measurement Item Measurement Range Accuracy
Total Leakage Current 0–20mA ±(Reading ×5% + 5μA)
Resistive Current 0–20mA ±(Reading ×5% + 5μA)
Capacitive Current 0–20mA ±(Reading ×5% + 5μA)
Current Harmonic 0–20mA ±(Reading ×10% + 10μA)
Reference Voltage Max. 250V RMS ±(Reading ×5% + 0.5V)
Voltage Harmonic Max. 250V RMS ±(Reading ×10%)

General Parameters

Parameter Specification
Product Model HY6820S
Product Name Portable Zinc Oxide Arrester Tester
Test Object Metal Oxide Surge Arrester (MOA)
Measurement Method Digital sampling and waveform analysis
Display LCD Touch Screen
Main Unit Dimension 252 × 160 × 65 mm
Cable Box Dimension 425 × 335 × 210 mm
Main Unit Weight 1.6 kg
Cable Box Weight 8 kg
Standard Test Cable Length 10 m
Custom Cable Length Available
Operating Temperature -10℃ to +40℃
Storage Temperature -20℃ to +50℃
Relative Humidity ≤85% RH (Non-condensing)

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