Description Technical Specification PH Range (-1.999 pH to 19.999 pH) PH Resolution 0.1 pH or 0.01 pH or 0.001 pH PH Accuracy Meter: ±0.002 pH MV Measuring range(mV/ORP/EH) -1999.9 mV to 0 mV to 1999.9 mV MV Resolution 0.1 mV MV Accuracy ±0.03% FS Conductivity Measuring range :(0.00 to 20.00) μS/cm (20.0 to 200.0)μS/cm (200 to 2000) μS/cm (2.00 to 20.00) mS/cm (20.0 to 200.0) mS/cm (200 to 2000) mS/cm (K=10 TDS (0 to 100) g/L Salinity (0 to 100) ppt Data storage 300 groups Power DC 9 V/300 mA Communication connector RS232 Environmental humidity ≤75% IP rating IP54 Dustproof and waterproof Temp. compensation range 50 °F to 231.8 °F (-10 ℃ to 110 ℃) Environment temperature 41°F to 95 °F (5 ℃ to 35 ℃) (0.01 grade) 59 °F to 86°F (15 ℃ to 30 ℃) (0.001 grade) Temp. compensation range 32 °F to 212 °F (0 °C to 100 °C) (automatic or manual) Size 6.3 in x 7.48 in x 2.7 in (160 mm × 190 mm × 70 mm) Weight 1.94 lb. (880 g)
