Zinc Oxide Arrester Live Tester

Zinc Oxide Arrester Live Tester

The Zinc Oxide Arrester Live Tester is a high - precision device designed for evaluating the performance of metal oxide arresters (MOA). By measuring the resistive component of leakage current, it accurately analyzes aging, moisture ingress, and insulation degradation in arresters.
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Description
Technical Parameters

Product Overview & Application Scenarios

 

Product Overview

The Zinc Oxide Arrester Live Tester is a high - precision device designed for evaluating the performance of metal oxide arresters (MOA). By measuring the resistive component of leakage current, it accurately analyzes aging, moisture ingress, and insulation degradation in arresters. Compliant with the power industry standard DL474.5 - 92, this tester supports live testing on - site and factory acceptance in lab environments, making it an essential tool for power system maintenance.

 

Application Scenarios

Power Facility Maintenance: Ideal for condition monitoring of arresters in substations, transmission lines, and power plants.

Live Testing: Conduct tests without power interruption, ensuring continuous grid operation.

Laboratory Use: Suitable for factory inspections and project acceptance by manufacturers.

 

Key Features & Advantages

 

Key Features

Intelligent Operation: Large LCD screen with a Chinese/English menu interface ensures user - friendly operation.

High - Precision Analysis: Utilizes Fourier harmonic analysis technology and high - speed magnetically isolated digital sensors for reliable data.

Efficiency & Safety: Direct voltage/current signal acquisition with isolation design to eliminate high - voltage interference.

Multifunctional Integration: Supports resistive current fundamental peak output, phase correction, data storage (multiple datasets), and mini - printing.

Customizable Ranges: Voltage (0–250V) and current (0–20mA) ranges can be tailored to meet diverse needs.

 

Core Advantages

Live testing capability for enhanced operational efficiency.

Data storage and printing functions simplify report generation and historical tracking.

Lightweight and portable design for outdoor applications.

 

Operating Conditions

 

Environment: Operating temperature: - 20°C to 50°C; Relative humidity ≤85% (non - condensing).

Power Supply: Requires stable AC220V input or external battery (optional).

Tested Equipment: Suitable for zinc oxide arresters rated 35kV and above.

Safety Compliance: Proper grounding and adherence to power industry safety standards.

 

Additional Information

 

Optional Accessories: Extension cables, portable batteries, calibration tools.

Data Management: USB export and PC connectivity for in - depth analysis.

Software Support: Includes analysis software for waveform display and historical data comparison.

Customization: Expandable measurement ranges or additional functional modules upon request.

 

Maintenance & FAQs

 

Q: The device fails to power on. Possible reasons?

A: Check power connections and fuse integrity. For battery use, ensure sufficient charge.

Q: How to resolve abnormal data fluctuations?

A: ① Ensure no strong electromagnetic interference. ② Inspect sensor wiring. ③ Recalibrate the device.

Q: Mini - printer not working?

A: ① Verify paper installation. ② Check printer cable connections. ③ Restart the device.

Q: Storage guidelines for long - term inactivity?

A: Store in a dry, ventilated area. Power on monthly to prevent circuit moisture. Disconnect batteries.

Q: Discrepancy between field and lab data?

A: ① Confirm environmental compliance (e.g., temperature/humidity). ② Contact support for recalibration.

 

Engineered for efficiency, safety, and intelligence, the Zinc Oxide Arrester Live Tester is the optimal solution for power equipment maintenance, delivering unmatched reliability in arrester condition assessment.
 

 

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Technical Specifications

 

Parameter

Specification

Reference Voltage Input (Peak)

10V–200V (Customizable: 0–250V)

Full Leakage Current Range

100μA–10mA (Customizable: 0–20mA)

Resistive/Capacitive Current Range

100μA–10mA (Customizable: 0–20mA)

Angle Measurement Range

0°–90°

System Accuracy

±(Reading ×5% +5 digits) (Harmonic Current ≤2mA)

Power Consumption

≤4W

Power Supply

AC220V ±10%, 50Hz ±1% (External battery option available)