The KDYZ-205 type zinc oxide lightning arrester resistive current tester is a specialized instrument used to test the electrical performance of zinc oxide lightning arresters. This instrument is suitable for live or power-off detection of various voltage levels of zinc oxide lightning arresters, so as to timely detect dangerous defects such as insulation moisture and valve plate aging inside the equipment.

The instrument is easy to operate and use. The measurement process is controlled by a microcontroller, and it can measure the current, resistive current and its harmonics, power frequency reference voltage and its harmonics, active power and phase difference of zinc oxide lightning arrester. The large screen can display the real waveforms of voltage and current. The instrument uses digital waveform analysis technology and anti-interference methods such as harmonic analysis and digital filtering software to ensure accurate and stable measurement results. It can accurately analyze the content of fundamental waves and 3-7th harmonics, and overcome the influence of phase to phase interference to correctly measure the resistive current of edge phase lightning arresters. This machine is equipped with a high-speed panel printer and rechargeable battery, making it very convenient for testers to use on site. The instrument uses high-speed magnetic isolation digital sensors to directly collect input voltage and current signals, ensuring the reliability and safety of the data.

1. This machine adopts a large screen LCD display and Chinese menu operation, making it easy to use.

2. High precision sampling and processing circuits, advanced Fourier harmonic analysis technology, ensure more reliable data.

3. The instrument uses high-speed magnetic isolation digital sensors to directly collect input voltage and current signals, ensuring the reliability and safety of the data.

4. Support wireless synchronous voltage sampling method.

5. It has functions such as resistive current fundamental peak output and edge phase correction.

6. The instrument is equipped with rechargeable batteries, calendar clock, and micro printer, which can store 120 sets of measurement data.

1. Full current measurement range: 0-10mA effective value, 50Hz/60Hz accuracy: ± (reading × 5%+5 µ A)

2. Accuracy of fundamental measurement of resistive current (quadratic method without phase to phase interference): ± (reading × 5%+5 µ A)

3. Current harmonic accuracy: ± (reading x 10%+10 µ A)

4. Reference voltage input range: 2