The GF211D is a lightweight handheld dual-clamp phase tester optimized for safe, convenient and high-precision on-site electrical measurement. It integrates phase detection, voltage and current monitoring, power parameter analysis and circuit identification into a single compact unit, effectively simplifying routine electrical commissioning and daily maintenance procedures. Featuring a 3.5-inch high-definition color LCD screen, the instrument delivers straightforward data readings and intuitive vector visualization for field operation. Adopting a non-contact clamp structure, it enables live-line current measurement without wire cutting or power outage, significantly enhancing on-site operational safety and working efficiency. With Class 0.5 high measurement accuracy, a broad testing range and comprehensive safety protection design, it fully satisfies technical requirements for substation relay inspection, transformer wiring verification, industrial electrical maintenance and power grid field testing. Boasting portable weight, built-in battery supply and rugged mechanical structure, the GF211D acts as a stable and trustworthy measuring instrument for electrical technicians and field maintenance personnel.
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