Milwaukee MW802 PRO 3-in-1 pH, EC, TDS Combo Meter with ATC

pH Range: 0.00 to 14.00 pH EC Range: 0.00 to 6.00 mS/cm TDS Range: 0 to 4000 ppm pH Resolution: 0.1 pH EC Resolution: 0.01 mS/cm TDS Resolution: 10 ppm pH Accuracy: ±0.20 EC/TDS Accuracy: ±2% Full Scale Calibration Solutions: M10007 (pH 7.01) M10032 (1382 ppm) M10442B 1500 ppm Conversion Factor: 0.68 Calibration: Manual at 1 point Temperature Compensation: Automatic from 0 to 50°C Probe: SE600 combination pH/EC/TDS probe Environment: 0 to 50°C / 32 to 122°F; max RH 95% Battery Type / Battery Life: 1 x 9V alkaline / 150 hours of use Auto-off: After 8 minutes of non-use Dimensions: 7.3 x 3.2 x 1.8 inches Weight: 5.8 ounces (with battery)