ET-3000接地電阻計
具有測量接地電阻及大地電壓功能
接地電阻:0.01Ω~1999Ω ±2%
大地電壓:0~199.9V ±1%
手動關機及自動關機功能
讀值鎖定及過載保護功能
尺寸:160x120x65mm
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