pH range: (-2.00 to 19.99) pH
ORP(mV) range: -1999 mV to 0 to 1999mV
Conductivity range: (0.00 to 19.99)μS/cm (20.0 to 199.9)μS/cm
(200 to 1999)μS/cm (2.00 to 19.99) mS/cm
(20.0 to 199.9) mS/cm

pH range: (-2.00 to 19.99) pH
ORP(mV) range: -1999 mV to 0 to 1999mV 
Conductivity range: (0.00 to 19.99)μS/cm (20.0 to 199.9)μS/cm
(200 to 1999)μS/cm (2.00 to 19.99) mS/cm
(20.0 to 199.9) mS/cm

pH range: (-2.00 to 19.99) pH
Conductivity range: (0.00 to 19.99)μS/cm (20.0 to 199.9)μS/cm
(200 to 1999)μS/cm (2.00 to 19.99) mS/cm
(20.0 to 199.9) mS/cm

Conductivity Range: 0~200 mS/cm, divided into five ranges
Conductivity Accuracy: ±1%F.S ±1 digit
TDS: (0 to 100) g/L
Salinity: (0 to 100) ppt

Conductivity Range: 0~200 mS/cm, divided into five ranges
Conductivity Accuracy: ±1%F.S ±1 digit
TDS: (0 to 100) g/L
Salinity: (0 to 100) ppt

pH Range: -2.000 to 20.000 pH
pH Accuracy: ±0.002 pH
mV Range: ±2000.0mV
Temp Range: -10~110.0℃, 14.0~230℉

pH Range: -2.00 to 20.00 pH
pH Accuracy: ±0.01 pH
mV Range: ±2000mV
Temp Range: 0~100.0℃, 32.0~212.0 ℉

pH Range: -2.00 to 20.00 pH
pH Accuracy: ±0.01 pH
mV Range: ±2000mV
Temp Range: 0~100.0℃, 32.0~212.0 ℉

pH Measuring Range: -2.000 to 20.000 pH
MV Measuring Range: ±2000.0mV
Cond. Range: 0~2000mS/cm
TDS Range: 0.1mg/l~1000 g/l
 

pH Range: -2.00 to 20.00 pH
mV Range: ±2000mV
Conductivity Range: 0~200.0mS/cm
TDS: 0.1mg/l~100 g/l

pH Range: -2.00 to 20.00 pH
mV Range: ±2000mV
Conductivity Range: 0~200.0mS/cm
TDS: 0.1mg/l~100 g/l

Conductivity Range: 0~2000 mS/cm, divided into five ranges
Conductivity Accuracy: ±0.5% F.S ± digit
TDS: 0.00 mg/L to 1000 g/L
Salinity: (0 to 100) ppt