Parameter | Range | Resolution | Accuracy (at 25 °C) | Method | Wavelength | Reagent Code |
Absorbance | 0.000 to 4.000 Abs | 0.001 Abs | +/-0.003Abs @ 1.000 Abs | | | |
Ammonia, Low Range | 0.00 to 3.00 mg/L (as NH3 -N) | 0.01 mg/L | ±0.04 mg/L ±4% of reading | Adaptation of the ASTM Manual of Water and Environmental Technology, D1426 Nessler method. | 420 nm | HI93700-01 |
Ammonia, Medium Range | 0.00 to10.00 mg/L (as NH3 -N) | 0.01 mg/L | ±0.05 mg/L ±5% of reading | Adaptation of the ASTM Manual of Water and Environmental Technology, D1426, Nessler method | 420 nm | HI93715-01 |
Ammonia, High Range | 0.0 to 100.0 mg/L (as NH3 -N) | 0.1 mg/L | ±0.5 mg/L ±5% of reading | Adaptation of the ASTM Manual of Water and Environmental Technology, D1426, Nessler method | 420 nm | HI93733-01 |
Chlorine, Free | 0.00 to 5.00 mg/L (as Cl2) | 0.01 mg/L | ±0.03 mg/L ±3% of reading | Adaptation of the EPA DPD method 330.5 | 525 nm | HI93701-01 |
Chlorine, Total | 0.00 to 5.00 mg/L (as Cl2) | 0.01 mg/L | ±0.03 mg/L ±3% of reading | Adaptation of the EPA DPD method 330.5 | 525 nm | HI93711-01 |
Chromium (VI), Low Range | 0 to 300 µg/L (as Cr(VI)) | 1 µg/L | ±10 µg/L ±4% of reading | Adaptation of the ASTM Manual of Water and Environmental Technology, D1687 Diphenylcarbohydrazide method | 525 nm | HI93749-01 |
Chromium (VI), High Range | 0 to 1000 µg/L (as Cr(VI)) | 1 µg/L | ±5 µg/L ±4% of reading at 25 °C | Adaptation of the ASTM Manual of Water and Environmental Technology, D1687, Diphenylcarbohydrazide method | 525 nm | HI93723-01 |
Color of Water | 0 to 500 PCU (Platinum Cobalt Units) | 1 PCU | ±10 PCU ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Colorimetric Platinum Cobalt method | 420 nm | |
Copper, Low Range | 0.000 to 1.500 mg/L (as Cu) | 0.001 mg/L | ±0.010 mg/L ±5% of reading | Adaptation of the EPA method | 575 nm | HI95747-01 |
Copper, High Range | 0.00 to 5.00 mg/L (as Cu) | 0.01 mg/L | ±0.02 mg/L ±4% of reading | Adaptation of the EPA method | 575 nm | HI93702-01 |
Cyanuric Acid | 0 to 80 mg/L (as CYA) | 1 mg/L | ±1 mg/L ±15% of reading | Adaptation of the turbidimetric method | 525 nm | HI93722-01 |
Molybdenum | 0.0 to 40.0 mg/L (as Mo6+) | 0.1 mg/L | ±0.3 mg/L ±5% of reading | Adaptation of the mercaptoacetic acid method | 420 nm | HI93730-01 |
Nickel, Low Range | 0.000 to 1.000 mg/L (as Ni) | 0.001 mg/L | ±0.010 mg/L ±7% of reading | Adaptation of the PAN method | 575 nm | HI93740-01 |
Nickel, High Range | 0.00 to 7.00 g/L (as Ni) | 0.01 g/L | ±0.07g/L ±4% of reading | Adaptation of the photometric method | 575 nm | HI93726-01 |
Nitrate | 0.0 to 30.0 mg/L (as NO3- N) | 0.1 mg/L | ±0.5 mg/L ±10% of reading | Adaptation of the cadmium reduction method | 525 nm | HI93728-01 |
Nitrite, High Range | 0 to 150 mg/L (as NO2-) | 1 mg/L | ±4 mg/L ±4% of reading | Adaptation of the Ferrous Sulfate method | 575 nm | HI93708-01 |
Oxygen, Dissolved | 0.0 to 10.0 mg/L (as O2 ) | 0.1 mg/L | ±0.4 mg/L ±3% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Azide modified Winkler method | 420 nm | HI93732-01 |
pH | 6.5 to 8.5 pH | 0.1 pH | ±0.1 pH | Adaptation of the Phenol Red method | 525 nm | HI93710-01 |
Phosphate, Low Range | 0.00 to 2.50 mg/L (as PO4 3-) | 0.01 mg/L | ±0.04 mg/L ±4% of reading | Adaptation of the Ascorbic Acid method | 610 nm | HI93713-01 |
Phosphate, High Range | 0.0 to 30.0 mg/L (as PO4 3-) | 0.1 mg/L | ±1.0 mg/L ±4% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Amino Acid method | 525 nm | HI93717-01 |
Silica, Low Range | 0.00 to 2.00 mg/L (as SiO2 ) | 0.01 mg/L | ±0.03 mg/L ±3% of reading | Adaptation of the ASTM Manual of Water and Environmental Technology, D859, Heteropoly Molybdenum Blue method | 610 nm | HI93705-01 |
Silver | 0.000 to 1.000 mg/L (as Ag) | 0.001 mg/L | ±0.020 mg/L ±5% of reading | Adaptation of the PAN method | 575 nm | HI93737-01 |
Zinc | 0.00 to 3.00 mg/L (as Zn) | 0.01 mg/L | ±0.03 mg/L ±3% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Zincon method | 575 nm | HI93731-01 |