测量范围:0.00 tp 19.99mS/cm  
精度:±2%F.S. 

测量范围:0.0 to 99.9μS/cm 
精度:±2%F.S. 

量程/精度:EC:0.00to20.00 mS/cm;±2% F.S, 
TDS :0.00to10.00 ppt；±2% F.S. 
温度 : 0.0 to 140°F;±0.5°C

量程/精度;EC :0 to 3999 µS/cm；±2% F.S. ,
TDS :0 to 2000 ppm；±2% F.S. ,
温度:0.0 to 60.0°C (32 to 140°F)

测量范围:0.0 to 199.9mg/l（ppm）；0 to 1999mg/l（ppm）；
0.00 to 19.99g/l （ppt）, 测量精度;±1% F.S.

测量范围:EC;0 to199.9 μS/cm；0 to 1999 μS/cm；
0 to19.99 mS/cm；0 to 199.9 mS/cm；
电阻率:0 to 19.90 MΩ•cm

解析度： 0.1μS/cm；1μS/cm；　0.01mS/cm；0.1mS/cm；  
精度： ±1%F.S.

pH: -2.000~20.000pH；±0.002pH
电导测量范围: 0~200mS；±0.5% F.S

酸度PH: 0-14.00pH 精度: ±0.01pH;|
电导EC:0-199.9us/cm,200-1999us/cm,2.00-19.99ms/cm

电导EC:0-199.9us/cm,200-1999us/cm,2.00-19.99ms/cm 
固体溶解度TDS:0-99.9ppm,100-999ppm,1.00-9.99ppt