EUTECH PD 300 Waterproof Portable pH & DO Meter

* pH Range : -2.00 to 16.00 pH * Resolution & Accuracy : 0.01 pH & ± 0.01 pH * Dissolved Oxygen Range : 0 to 19.9 mg/ l or ppm * Resolution & Accuracy : 0.01 mg/ l, 0.1 ppm & ± 1.5% Full Scale * % Saturation of Oxygen : 0.0 to 199.9 % * Resolution & Accuracy : 0.1 % & ± 1.5% Full Scale * Temperature Range : -10.0 to 110.0 ° C * Resolution & Accuracy : 0.1 ° C & ± 0.3 ° C * Salinity Correction : 0.0 to 50.0 ppt * Barometric Pressure Correction : 500 to 1499 mm Hg or 66.6 to 199.9 kPA * Method : Manual input for Automatic correction * No. of pH Calibration Points : Up to 5 points ( pH 1.68, 4.01, 7.00, 10.01 & 12.45) * No. of DO Calibration Points : Up to 2 points; 100% in air and/ or ; 0% in known solution * Temperature Compensation : Automatic / manual ( 0 to 100 ° C) * Special Functions : Stability Indicator; Self-diagnostic; Electrode characteristics; Back-lit * Display; Hold & Auto-Power Off after20 minutes * Power : 4 ' AAA' x 1.4V batteries