The SHL-100A fully automatic circuit resistance tester is a new generation product developed by Qingdao Sifang Electric Automation Equipment Co., Ltd. This tester uses high-frequency switch power supply technology and digital circuit technology, and has the characteristics of small size, light weight, constant current output, high accuracy, and easy operation. It is suitable for measuring the main circuit resistance of high-voltage circuit breakers and provides convenience for users.
The SHL-100A is a full‑automatic circuit resistance tester designed for high‑voltage circuit resistance measurement. It features a compact size, lightweight construction, constant‑current output, LCD display, and built‑in printing capability.
The manual covers the instrument panel, technical specifications, wiring procedures, power connection, printing functions, error‑wiring examples, safety precautions, and lists the supplied accessories. This manual is written in Chinese.
| Measurement range | 1‑1999.99 µΩ |
|---|---|
| Output current | DC ≥ 100 A |
| Measurement accuracy | ±0.5 % |
| Operating mode | Continuous |
| Display | LCD module |
| Operating temperature | -10 °C to 40 °C |
| Relative humidity | ≤ 75 % |
| Dimensions | 320 × 260 × 110 mm |
| Power supply | AC 220 V ± 10 % |
It means the measured resistance is out of range or there is a wiring/contact error that must be corrected before retesting.
After a measurement is displayed, press the “Print” key to print the current data; after three measurements you can print all three‑phase results at once.