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ZX-JS Arrester Discharge Counter Tester: A Key Tool for SurgeArresterMaintenance
Introduction
Surge arresters are critical components in power systems, protecting equipment from transient overvoltages caused by lightning strikes or switching operations. The discharge counter, an essential accessory of these arresters, records the number of discharge events to reflect the arrester’s operational status. Regular verification of these counters is vital to ensure their accuracy and reliability, which directly impacts the effectiveness of power system protection. The ZX-JS Arrester Discharge Counter Tester is designed to fulfill this verification need, offering a portable and efficient solution for technicians.
Application Scope
This instrument is engineered for the inspection and verification of discharge counters across various types of valve-type arresters, including:
Silicon carbide common valve-type arresters (e.g., FZ and FS series)
Silicon carbide magnetic blow valve-type arresters (e.g., FCZ and FCD series)
Zinc oxide arresters (the most common type in modern power systems)
By supporting such a wide range of arrester technologies, the ZX-JS tester ensures that maintenance teams can standardize their testing procedures, regardless of the specific equipment installed in the field.
Core Features and Technical Specifications
The ZX-JS tester is designed with field maintenance in mind, combining portability with robust performance:
Key Features
Compact and Lightweight Design: The tester boasts a small footprint and low weight, making it highly portable for on-site use.
Safe, Fast, and Accurate Testing: The measurement process is engineered for operator safety, while delivering quick and precise results to minimize downtime.
Technical Indicators
Parameter | Specification |
Ambient Temperature | -10°C ~ +50°C |
Relative Humidity | 20% ~ 90% (at 40°C) |
Atmospheric Pressure | 86 ~ 106 kPa |
Discharge Test Voltage | > 2 kV |
Charge Time | < 1 minute |
Power Supply | 220V ±10%, 50±1Hz, Power < 30VA |
Dimensions | 300 × 200 × 180 mm |
Weight | 4 kg |
These specifications highlight the tester’s suitability for various field conditions. The short charge time of under one minute allows for high-throughput testing, while the 2kV test voltage provides sufficient stimulus to reliably trigger and verify the discharge counter’s operation.
Operational Significance for Technicians
For power system technicians, the ZX-JS tester serves two primary functions:
Proactive Maintenance: By regularly verifying discharge counters, technicians can identify faulty units before they provide incorrect readings, preventing unnecessary arrester replacements or, more critically, overlooking a failed arrester.
Data Integrity: Accurate counter readings are essential for asset management. They help determine the arrester’s remaining service life, assess lightning activity in a specific area, and plan targeted maintenance strategies.
Conclusion
The ZX-JS Arrester Discharge Counter Tester is an indispensable tool for modern power system maintenance. Its combination of portability, safety, and versatility makes it ideal for technicians tasked with ensuring the reliability of surge protection devices. By investing in regular verification using such equipment, utilities can enhance the safety, stability, and efficiency of their power grids.
GDZX is a manufacturer of power detection equipment, offering a diverse range of products with comprehensive models and providing professional technical support. Contact us at +86-27-6552607 or +86-17396104357.Website: http://en.gdzxdl.com/





