Primary injection testing device HZ-109S2 2000A

currentautomatedcircuit breaker

• Output current: 2000A/5V or 1000A/10V • Input power supply: AC220V 50A, 50Hz • Primary current range: 0–2200A, resolution 0.1A • Secondary current range: 0–6A, resolution 0.001A • Stopwatch: 0.0001–999.99s, ±5 digits • Accuracy: True RMS ±(0.3% of reading + 0.2% of full scale) • Operating environment: -10℃ to 40℃, <80% RH The Huazheng HZ-109S2 Primary Current Injection Tester is a high-performance device tailored for CT turn ratio testing, contact resistance measurement, and other high-current applications in power systems. Using advanced ARM chip control and a toroidal transformer, it delivers stable, high-capacity output with excellent precision. Its LCD display presents primary current, secondary current, turn ratio, stopwatch values, and phase simultaneously, providing users with comprehensive real-time monitoring. Built with an aluminum alloy case and PC panel, the HZ-109S2 is compact, lightweight, and durable for long-term use. Its advanced design includes precise digital measurement with 0.1A and 0.001A resolutions, high-speed response, and true RMS accuracy. Suitable for utilities, research, and industrial testing environments, it ensures dependable performance in primary current injection tasks. As part of Huazheng’s professional testing portfolio, the HZ-109S2 combines portability with high-capacity output, providing engineers worldwide with a trusted solution for electrical testing and system verification.