Portable PH, Conductivity, TDS Combination Meter

Portable pH / Conductivity / TDS Combination Meter MW801 pH Range : 0.0 to 14.0 pH EC Range : 0 to 1990 µ S/ cm TDS Range : 0 to 1990 ppm pH Resolution : 0.1 pH EC Resolution : 10 µ S/ cm TDS Resolution : 10 ppm pH Accuracy : ± 0.2 pH EC/ TDS Accuracy : ± 2% Full Scale Conversion Factor : 0.5 Calibration : manual, at 1 point Temperature Compensation : automatic, from 0 to 50° C Environment : 0 to 50° C / 32 to 122° F; max RH 95% Battery Type / Battery Lyfe : 1 x 9V alkaline / 150 hours of use Auto-off : after 8 minutes of non-use Dimensions : 185 x 82 x 45 mm Weight : 165 g ( with battery)