Shanghai Shenggao Electric Technology Co., Ltd. produces and sellsSG3002 Dual Clamp Multi functional Grounding Resistance TesterAlso known asDouble clamp grounding resistance testerIt is a grounding resistance tester that integrates multiple measurement methods,In addition to the traditional function of using auxiliary electrodes to measure grounding resistance, this instrument also has the function of measuring without auxiliary electrodesIt adopts a large LCD gray white screen backlight display and microprocessor technology, and measures grounding resistance through precision 4-wire method, 3-wire method, simple 2-wire method, selection method, and double clamp method controlled by the microprocessor. Adopting a large-diameter current clamp design,By utilizing dual jaw measurement technology, online measurement is achieved without the need for auxiliary electrodes or isolating the grounding body from the equipmentWidely used in telecommunications, power, meteorology, computer rooms, oil fields, power distribution lines, iron tower transmission lines, gas stations, factory grounding grids, lightning rods, etc. Instruments have the characteristics of testing, speed, simplicity, stability and reliability.