
Customized Lightning Arrester DC High Voltage Test Set GDZG-300-60/5
Product Introduction
We adhere to the principle of quality is fundamental, comply with laws and regulations, to provide customers with satisfactory insulation oil dga dissolved gas analyzer, VLF Cable Test Equipment, oil dielectric strength tester and services. We have achieved exponential growth in production capacity while significantly improving product quality and stability. The products are sold all over the world and favored by customers at home and abroad. The company unswervingly insists on providing users with all-round, diversified and wide-level services. We uphold the service concept of 'wholeheartedly' and the tenet of 'full satisfaction and continuous surpassing user expectations' to provide customers with high-quality product services and brand services.
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 have established a set of scientific production management mode in the long-term market tempering and are determined to dedicate Customized Lightning Arrester DC High Voltage Test Set GDZG-300-60/5 to the masses of people in need. Over the years, relying on our experience and brand effect, our business has become more and more diversified. We sincerely hope that we can have cooperation with your esteemed company and develop our friendship. Your favorable inquires with us will be high appreciated!
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