240°HZ频率表240°HZ频率表型号:LS-96,LS-72021-56041298。13524411981精度:1.0级规格：电压:100V220V380V440V频率:45-55Hz,45-65Hz,55-65Hz,47-53Hz,57-63Hz,44-56Hz,阻燃：外壳用阻燃塑料材料制成（符合UL-94V0标准）安装：通过螺母安装，***安全，快速，牢固。安装深度：***大43mm型号ABCDEF开孔LS-7273666817136.568X68LS-9696.590451713692X92)