Cole-Parmer WD-35432-70

Top-of-the-line dual parameter meters offer features typically found on much more expensive models! Simultaneously measure your choice of pH, mV, or ISE and dissolved oxygen Log up to 500 data points with GLP compliance Wireless IrDA communication for truly waterproof interfacing capabilities Range pH -2.000 to 20.000 Range mV ±2000 Range ISE 0.001 to 19,900 ppm, molar, or mg/L Range Dissolved oxygen 0 to 600%/90 mg/L Range Barometric pressure 450 to 825 mm Hg Range Temperature 14 to 230°F (-10 to 110°C) Resolution pH 0.1/0.01/0.001 Resolution mV 0.1 Resolution ISE 2 or 2 digits Resolution Dissolved oxygen 0.1%, 0.01 mg/L Resolution Barometric pressure 0.1 mm Hg (0.1 kPa) Resolution Temperature 0.1°F (0.1°C) Accuracy pH ±0.002 Accuracy mV ±0.2 Accuracy ISE 0.5% FS (monovalent), 1% FS (divalent) Accuracy Dissolved oxygen ±2%, ±0.2 mg/L Accuracy Barometric pressure ±1% Accuracy Temperature ±0.9°F(±0.5°C) Temperature compensation Automatic or manual, 0 to 100°C Calibration Up to 6 points (pH) Buffer recognition USA: 1.68, 4.01, 7.00, 10.01, 12.45/NIST: 1.68, 4.01, 6.86, 9.18, 12.45/DIN: 1.09, 3.06, 4.65, 6.79, 9.23, 12.75/PWB: 4.10, 6.97 Datalogging 500 data sets with GLP Output IrDA/RS-232C (via LED) Waterproof Yes Display Dot-matrix LCD with backlighting Power Four 1.5V AA batteries (included) or optional universal AC adapter Dimensions 3-1/4W x 7-1/4H x 2-/4D (8.3 x 18.4 x 5.7 cm) > Each Unit Includes Data management software Probe holder Batteries pH buffer solutions Electrolyte solution Protective rubber boot Hard carrying case