HZ-20AS Handheld Zinc Oxide Lightning Arrester Tester
Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of HZ-20AS Handheld Zinc Oxide Lightning Arrester Tester in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.
HZ-20AS Handheld Zinc Oxide Lightning Arrester Tester
Overview
The HZ-20AS Lightning Arrester Tester 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
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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 |
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Current Measurement |
|
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Whole current measurement range |
0 ～ 20mA RMS, 50Hz/60Hz |
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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 |
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Electric-field Intensity Measurement |
|
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Input range of electric field strength |
30kV/m～300kV/m |
|
Accuracy of electric field intensity measurement |
± (reading × 10%) |
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Accuracy of electric field harmonic measurement |
± (reading × 10%) |
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