TDS TESTER HIGH RANGE Specification: • Range : 20.00 Ppt (G/L) • Resolution : 0.01 Ppt (G/L) • Accuracy : ±2% F.S. • Tds Factor : 0.5 • Calibration : Manual, 1 Point • Temperature Compensation : Automatic, 0 To 50°C (32 To 122°F) • Battery Type / Life : 4 X 1.5v / Approx. 200 Hours Of Continuous Use • Environment : 0 To 50°C (32 To 122°F); Rh Max 95% • Dimensions : 175 X 41 X 23 Mm (6.9 X 1.6 X 0.9”) • Weight : 95 G (3.4 Oz.) Supplied With Protective Cap, Screwdriver, Batteries And Instructions.