Lightning Arrester Tester

The Zinc Oxide Arrester Comprehensive Tester is used to check the electrical performance of zinc oxide arresters (MOAs). This instrument is suitable for on-site inspection of zinc oxide arresters at all voltage levels, as well as for factory testing and acceptance testing in the event of a power failure. By measuring parameters such as total current, resistive current, and others, it is possible to detect dangerous defects, such as internal insulation issues and valve aging in the zinc oxide arrester.

The lightning arrester is an important piece of electrical equipment in power networks, designed to protect power equipment from over-voltage. Normally, the operation of the arrester and the leakage current are monitored through an arrester monitor. However, due to poor sealing, the monitor may be exposed to water or moisture during operation, leading to internal component corrosion. In such cases, or for other reasons, the monitor's counter may fail to operate correctly, resulting in inaccurate leakage current readings. Therefore, according to The Regulations, the arrester monitor should be checked annually.
The reliability of the counter's operation is critical for the power system. It is an important parameter that records the number of lightning strikes received by the arrester during normal operation. This information provides a crucial basis for power system workers to inspect the arresters.

The handheld zinc oxide arrester tester is a specialized instrument used for field and laboratory testing of various electrical parameters of arresters. This instrument incorporates advanced technologies such as microcomputer sampling and control, and can measure parameters such as full current, third harmonic, resistive current, resistive current peak value, capacitive current, and active power of the zinc oxide arrester under power frequency voltage. It also displays the voltage and current waveforms and can print out test data.Equipped with a large-screen LCD display and Chinese-language menu prompts, the instrument enhances user interaction, making operation more intuitive. It also provides real-time waveform display on-site. The instrument features simple wiring, high measurement accuracy, and strong reliability. Its compact size, light weight, and integrated design make it easy to carry and operate in the field.