Composite safety rating for earthing and lightning-protection systems: scores earthing resistance, lightning-protection class and equipotential-bonding resistance.
电气系统接地电阻、防雷等级、等电位连接电阻三项检测工具,依据GB/T 50065、GB/T 50057等标准判定合格与否。适用于建筑电气防雷接地系统检测。