หมวดหมู่ : สินค้า (Product) ,  ETCR Electronic Technology , 
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roduct Characteristics
1. 2/3/4-wire method measure earth resistance,Range:0.00Ω~30.00kΩ;
2. Soil resistivity measurement, Range:0.00Ωm~9000kΩm;
3. Earth voltage measurement,Range:AC 0~600V
4. Data storage: 300 sets
5. Alarm function: audible and visual alarm