Since 1988, Qingdao Qingzhi Instrument Co., Ltd. has been dedicated to power measurement and analysis technology, providing high-performance power measurement and analysis instruments and meters for electrical testing fields such as motor testing, photovoltaic inverter testing, electric vehicle testing, charging pile testing, power supply testing, home appliance testing, and generator testing. From the first simple digital power meter to today's powerful power analyzer, Qingzhi Instruments has produced power measurement and analysis instruments and meters spanning multiple fields. We will continue to strive harder to constantly meet and lead users' power measurement and analysis needs, and help all industries keep moving forward. Qingzhi Instruments: A reliable partner for power analyzers/power meters