Colorimeter, Chlorine, 0.02-2.00 pH and 0.1-8.0 mg/L (Powder Reagents) Range, Accuracy +/-1 nm, 3 Percent Full Scale, Resolution 0.01 A, Free Chlorine Range: 0.02-2.00, 0.1-8.0 mg/L (Powder Reagents), Total Chlorine Range: 0.02-2.00, 0.1-8.0 mg/L (Powder Reagents), Chlorine Resolution 0.01 mg/L, Chlorine Accuracy 2 Percent Full Scale, Includes Batteries, Carrying Case, Colorimeter, Instruction Manual, MD 100 Series, Reagents, Sample Cells