
Zinc Oxide Lightning Arrester Characteristic Tester for Lightning Protection Device
Product Introduction
After years of research and development and absorbing advanced technology at home and abroad, our company developed a variety of tan delta test set, dc resistance meter, transformer oil dissolved gas analyzer to meet increasing customer requirements. Our high-tech production equipment ensures the consistency of each batch of products. We are convinced that future success belongs to the century of quality leaders, so we are responsible for the quality of each product. We carry out various production and operation activities, establish a corporate image of complete management, excellent products, and thoughtful service, and continue to introduce advanced product testing equipment to fully meet customer needs. Our company's business philosophy is: integrity and law-abiding, bold development, customer service, international oriented.
HZ-20AS Handheld Zinc Oxide Lightning Arrester Tester
Overview
The HZ-20AS is designed to evaluate the electrical performance of zinc oxide arresters (MOA). It is suitable for on-site inspection of arresters at all voltage levels, as well as factory testing and acceptance testing in storage when power is disconnected.
By measuring parameters such as total current and resistive current, the tester can detect potential defects including internal insulation deterioration and valve element aging in zinc oxide arresters, helping to identify dangerous conditions before they lead to failure.




Technical Index
Reference voltage input range | 25V~250V RMS, 50Hz/60Hz |
Accuracy of reference voltage measurement | ± (reading × 5% + 0.2V) |
Accuracy of voltage harmonic measurement | ± (reading × 10%) |
Reference voltage channel input resistance | ≥1500kΩ |
Current Measurement | |
Whole current measurement range | 0 ~ 20mA RMS, 50Hz/60Hz |
Accuracy | ± (reading × 5% + 5uA) |
Fundamental wave measurement accuracy of resistive current | ± (reading × 5% + 5uA) |
Current harmonics measurement accuracy | ± (reading × 10% + 10uA) |
Current channel input resistance | ≤ 2Ω |
Electric-field Intensity Measurement | |
Input range of electric field strength | 30kV/m~300kV/m |
Accuracy of electric field intensity measurement | ± (reading × 10%) |
Accuracy of electric field harmonic measurement | ± (reading × 10%) |




We are also a unified big family, everyone stick to the company value 'unification, dedication, tolerance' for Zinc Oxide Lightning Arrester Characteristic Tester for Lightning Protection Device. We hope to help customers get the best experience with products that are most suitable for everyone, while solving various social problems. Our company has a wealth of experience in production, mass order production capacity.
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