Primary injection testing device HZ-109S

electrical safetypartial runelectric

• Input power supply: AC220V 25A, 50Hz • Output current: 1000A/5V or 500A/10V • Primary current range: 0–1100A, resolution 0.1A • Secondary current range: 0–6A, resolution 0.001A • Stopwatch: 0.0001–999.99s, ±5 significant figures • Accuracy: TRUE RMS 0.5% • Dimensions & weight: 430×260×260mm, 28kg The Huazheng HZ-109S Primary Current Injection Test Set is a compact, high-capacity device designed for CT turn ratio testing, contact resistance measurement, and high-current applications in power systems. Featuring ARM chip control technology and a toroidal transformer, it ensures stable and precise output. The large LCD screen enables real-time display of primary current, secondary current, turn ratio, and stopwatch data, supporting comprehensive test monitoring. With built-in electronic overload and software protections, the device guarantees safe operation and reliability during demanding testing conditions. Engineered with an aluminum alloy case and PC panel, the HZ-109S combines durability with portability, offering a lightweight yet robust solution for on-site and laboratory use. Its high output capacity meets the requirements of modern power testing, while its intuitive interface simplifies operation. As part of Huazheng’s professional test equipment portfolio, the HZ-109S provides advanced performance, ensuring reliable testing for critical electrical systems worldwide.