pH Range: (-2.00 - 19.99) pH
pH Accuracy: ±0.01pH±1 digit
mV (ORP) Range: -1999mV - 0 - 1999mV
Temp. Range: -10C -110C

pH range: -2.000~19.999pH;
mV range: ±1999.9 mV
Temp range: -10~110℃
pH measurement for high - purity water

pH range: -2.000~19.999pH;
mV range: ±1999.9 mV
Temp range: -10~110℃
Precise pH measurement suitable for scientific research and quality control

pH range: -2.000~19.999pH;
mV range: ±1999.9 mV
Temp range: -10~110℃
pH measurement of wet surfaces of solids or semi - solids

pH range: (-2.00 to 19.99) pH
pH Accuracy: Meter: ±0.01pH; Overall: ±0.02pH
ORP(mV) range: -1999 mV to 0 to 1999mV
Data storage: 200 sets

ORP range: -1999 mV to 1999mV
ORP Accuracy: ±15mV
Data storage: 100sets
IP rating: IP57 water-resistant
     

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
TDS: (0 to 100) g/L; Salinity : (0 to 100) ppt

Conductivity range: (0.00~19.99)μS/cm (20.0~199.9)μS/cm 
(200~1999)μS/cm (2.00~19.99)mS/cm (20.0~199.9)mS/cm
TDS: (0 ~ 100)g/L   Salinity: (0 ~ 100)ppt 
Resistivity: (0 ~ 100)MΩ·cm

DO Range: (0 to 19.99) mg/L (ppm); (0 to 200.0) %
DO Accuracy: ±0.30 mg/L (ppm), including electrode error
DO Temp. compensation range: (0 to 45) °C (automatic)
Data storage: 100sets

pH range: (-2.00 to 19.99) pH
pH Accuracy: ±0.01pH
ORP(mV) range: -1999 mV to 0 to 1999mV
Data storage: 200sets
 

pH range: (-2.00 to 19.99) pH
ORP(mV) range: -1999 mV to 0 to 1999mV
DO Range: (0 to 19.99) mg/L (ppm); (0 to 200.0) %
Data storage: 300sets

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
DO Range: (0 to 19.99) mg/L (ppm); (0 to 200.0) %