测量范围:0 to199.9 µS/cm；0 to 1999 µS/cm；0 to
19.99 mS/cm；0 to 199.9 mS/cm；0 to 19.90 MΩ•cm

量程:EC; 0 to 3999 µS/cm,TDS:0 to 2000 ppm（mg/L）
温度:0.0 to 60.0°C / 32.0 to 140.0°F

测量范围:0.00 to 4.00 mS/cm；0 to 1999ppm；0 to 70.0 °C
解析度:0.01 mS/cm；1ppm；0.1°C

测量范围:0 to 6000 µS/cm；0 to 3000 ppm；0 to 70.0 °C
解析度:10 µS/cm；10 ppm；0.1°C

测量范围:0 to 1990 µS/cm；0 to 1990 ppm；0 to 70 °C
解析度:10 µS/cm；10 ppm；1°C

具有USB数据接口、量程： -2.000 to 16.000pH、±999.9mv、
-±2000mv、0.001to 19990pmm、-20.0 to 120.0°C

具有USB数据接口、量程： -2.000 to 16.000pH、±999.9mv、
-±2000mv、0.001to 19990pmm、-20.0 to 120.0°C

具有USB数据接口、500组数据存储、量程： -2.000 to 
16.000pH、±699.9mv、-±2000mv、-20.0 to 120.0°C

具有USB数据接口、500组数据存储、量程： -2.000 to 
16.000pH、±699.9mv、-±2000mv、-20.0 to 120.0°C

具有USB数据接口、100组数据存储、量程： -2.000 to 
16.000pH、±999.9mv、-±2000mv、-20.0 to 120.0°C