| Parameter | Range | Resolution | Accuracy (at 25 °C) | Method | Wavelength | Reagent Code |
| Absorbance | 0.000 to 3.000 Abs | 0.001 Abs | 5 mAbs at 0.000-0.500 Abs
1% at 0.500-3.000 Abs | | | |
| Alkalinity | 0 to 500 mg/L (as CaCO3 ) | 1 mg/L | ±5 mg/L ±5% of reading | Colorimetric Method | 610 nm | HI775-26 |
| Alkalinity, Marine | 0 to 300 mg/L (as CaCO3 ) | 1 mg/L | ±5 mg/L ±5% of reading | Colorimetric Method | 610 nm | HI755-26 |
| Aluminum | 0.00 to 1.00 mg/L (as Al3+) | 0.01 mg/L | ±0.04 mg/L ±4% of reading | Adaptation of the aluminon method. | 525 nm | HI93712-01 |
| 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 |
| Bromine | 0.00 to 8.00 mg/L (as Br2 ) | 0.01 mg/L | ±0.08 mg/L ±3% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method | 525 nm | HI93716-01 |
| Calcium | 0 to 400 mg/L (as Ca2+) | 1 mg/L | ±10 mg/L ±5% of reading | Adaptation of the Oxalate method | 466nm | HI937521-01 |
| Calcium, Marine | 200 to 600 mg/L (as Ca2+) | 1 mg/L | ±6% of reading | Adaptation of the Zincon method | 610 nm | HI758-26 |
| Chemical Oxygen Demand, Low Range | 0 to 150 mg/L (as O2 ) | 1 mg/L | ±5 mg/L or ±4% of reading | Adaptation of the USEPA 410.4 | 420 nm | HI93754A-25 |
| Chemical Oxygen Demand, Medium Range | 0 to 1500 mg/L (as O2 ) | 1 mg/L | ±15 mg/L or ±4% of reading | Adaptation of the USEPA 410.4 | 610 nm | HI93754B-25 |
| Chemical Oxygen Demand, High Range | 0 to 15000 mg/L (as O2 ) | 1 mg/L | ±150 mg/L or ±2% of reading | Adaptation of the USEPA 410.4 | 610 nm | HI93754C-25 |
| Chloride | 0.0 to 20.0 mg/L (as Cl) | 0.1 mg/L | ±0.5 mg/L ±6% of reading | Adaptation of the mercury(II) thiocyanate method | 466 nm | HI93753-01 |
| Chlorine Dioxide | 0.00 to 2.00 mg/L (as ClO2 ) | 0.01 mg/L | ±0.10 mg/L ±5% of reading | Adaptation of the Chlorophenol Red method | 575 nm | HI93738-01 |
| Chlorine, Free Ultra Low Range | 0.000 to 0.500 mg/L (as Cl2 ) | 0.001 mg/ | ±0.020 mg/L ±3% of reading | Adaptation of the Standard Method 4500-Cl G | 525 nm | HI95762-01 |
| Chlorine, Free Low Range | 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, Free High Range | 0.00 to 10.00 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 | HI93734-01 |
| Chlorine, Total Ultra Low Range | 0.000 to 0.500 mg/L (as Cl2 ) | 0.001 mg/L | ±0.020 mg/L ±3% of reading | Adaptation of the EPA recommended Method 330.5 | 525 nm | HI95761-01 |
| Chlorine, Total Low Range | 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 |
| Chlorine, Total High Range | 0.00 to 10.00 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 | HI93734-01 |
| Chlorine, Total Ultra High Range | 0 to 500 mg/L (as Cl2 ) | 1 mg/L | ±3 mg/L ±3% of reading | Adaptation of the Standard Methods for Examination of Water and Wastewater, 20th edition, 4500-Cl | 525 nm | HI95771-01 |
| 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 |
| Cyanide | 0.000 to 0.200 mg/L (as CN-) | 0.001 mg/L | ±0.005 mg/L ±3% of reading | Pyridine-Pyrazalone | 610 nm | HI93714-01 |
| Cyanuric Acid | 0 to 100 mg/L (as CYA) | 1 mg/L | ±1 mg/L ±15% of reading | Adaptation of the turbidimetric method | 525 nm | HI93722-01 |
| Fluoride, Low Range | 0.00 to 2.00 mg/L (as F) | 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, SPADNS method | 575 nm | HI93729-01 |
| Fluoride, High Range | 0.0 to 20.0 mg/L (as F) | 0.1 mg/L | ±0.5 mg/L ±3% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, SPADNS method | 575 nm | HI93739-01 |
| Hardness, Calcium | 0.00 to 2.70 mg/L (as CaCO3 ) | 0.01 mg/L | ±0.11 mg/L ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Calmagite method | 525 nm | HI93720-01 |
| Hardness, Magensium | 0.00 to 2.00 mg/L (CaCO3 ) | 0.01 mg/L | ±0.11 mg/L ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA Colorimetric method | 525 nm | HI93719-01 |
| Hardness, Total Low Range | 0 to 250 mg/L (as CaCO3 ) | 1 mg/L | ±5 mg/L ±4% of reading | Adaptation of the EPA recommended method 130.1 | 466 nm | HI93735-00 |
| Hardness, Total Medium Range | 200 to 500 mg/L (as CaCO3 ) | 1 mg/L | ±7 mg/L ±3% of reading | Adaptation of the EPA recommended method 130.1 | 466 nm | HI93735-01 |
| Hardness, Total High Range | 400 to 750 mg/L (as CaCO3 ) | 1 mg/L | ±10 mg/L ±2% of reading | Adaptation of the EPA recommended method 130.1 | 466 nm | HI93735-02 |
| Hydrazine | 0 to 400 μg/L (as N2H4 ) | 1 μg/L | ±4% of full scale reading | Adaptation of the ASTM Manual of Water and Environmental Technology, method D1385, p-Dimethylaminobenzaldehyde method | 466 nm | HI93704-01 |
| Iodine | 0.0 to 12.5 mg/L (as I2 ) | 0.1 mg/L | ±0.1 mg/L ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, DPD method | 525 nm | HI93718-01 |
| Iron, Low Range | 0.000 to 1.600 mg/L (as Fe) | 0.001 mg/L | ±0.010 mg/L ±8% of reading | Adaptation of the TPTZ Method | 575 nm | HI93746-01 |
| Iron, High Range | 0.00 to 5.00 mg/L (as Fe) | 0.01 mg/L | ±0.04 mg/L ±2% of reading | Adaptation of the EPA Phenanthroline method 315B, for natural and treated waters | 525 nm | HI93721-01 |
| Magnesium | 0 to 150 mg/L (as Mg2+) | 1 mg/L | ±5 mg/L ±3% of reading | Adaptation of the Calmagite method | 466 nm | HI937520-01 |
| Manganese, Low Range | 0 to 300 μg/L (as Mn) | 1 μg/L | ±10 μg/L ±3% of reading | Adaptation of the PAN Method | 575 nm | HI93748-01 |
| Manganese, High Range | 0.0 to 20.0 mg/L (as Mn) | 0.1 mg/L | ±0.2 mg/L ±3% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, Periodate method | 525 nm | HI93709-01 |
| Maple Syrup | 0.00 to 100.00 %T | 0.01 %T | ±3% of reading | Direct measure | 560 nm | HI93703-57 |
| 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 |
| Nitrate, Chromotropic Acid | 0.0 to 30.0 mg/L (as N03--N) | 0.1 mg/L | ±1.0 mg/L or ±3% of reading | Chromotropic acid method | 410 nm | HI93766-50 |
| Nitrite, Marine Ultra Low Range | 0 to 200 μg/L (as N02 -N) | 1 μg/L | ±10 μg/L ±4% of reading | Adaptation of the EPA Diazotization method 354.1 | 466 nm | HI764-25 |
| Nitrite, Low Range | 0 to 600 μg/L (as NO2 -N) | 1 μg/L | ±20 μg/L ±4% of reading | Adaptation of the EPA Diazotization method 354.1 | 466 nm | HI93707-01 |
| 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 |
| Nitrogen, Total Low Range | 0.0 to 25.0 mg/L (as N) | 0.1 mg/L | ±1.0 mg/L or ±5% of reading | Chromotropic acid method | 420 nm | HI93767A-50 |
| Nitrogen, Total High Range | 10 to 150 mg/L (as N) | 1 mg/L | ±3 mg/L or ±4% of reading | Chromotropic acid method | 420 nm | HI93767B-50 |
| 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 |
| Oxygen Scavengers (Carbohydrazide) | 0.00 to 1.50 mg/L (as Carbohydrazide) | 0.01 mg/L | ±0.02 mg/L ±3% of reading | Adaptation of the iron reduction method | 575 nm | HI96773-01 |
| Oxygen Scavengers (Diethylhydroxylamine)(DEHA) | 0 to 1000 μg/L (as DEHA) | 1 μg/L | ±5 μg/L ±5% of reading | Adaptation of the iron reduction method | 575 nm | HI96773-01 |
| Oxygen Scavengers (Hydroquinone) | 0.00 to 2.50 mg/L (as Hydroquinone) | 0.01 mg/L | ±0.04 mg/L ±3% of reading | Adaptation of the iron reduction method | 575 nm | HI96773-01 |
| Oxygen Scavengers (Iso-ascorbic Acid) | 0.00 to 4.50 mg/L (as Iso-ascorbic acid) | 0.01 mg/L | ±0.03 mg/L ±3 % of reading | Adaptation of the iron reduction method | 575 nm | HI96773-01 |
| Ozone | 0.00 to 2.00 mg/L (as O3 ) | 0.01 mg/L | ±0.02 mg/L ±3% of reading | Colorimetric DPD Method | 525 nm | HI93757-01 |
| pH | 6.5 to 8.5 pH | 0.1 pH | ±0.1 pH | Adaptation of the Phenol Red method | 525 nm | HI93710-01 |
| Phosphorus, Marine Ultra Low Range | 0 to 200 μg/L (as P) | 1 μg/L | ±5 μg/L ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, Ascorbic Acid method | 610 nm | HI736-25 |
| 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 |
| Phosphorous, Reactive Low Range | 0.00 to 1.60 mg/L (as P) | 0.01 mg/L | ±0.05 mg/L or ±4% of reading | Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method. | 610 nm | HI93758A-50 |
| Phosphorous, Reactive High Range | 0.0 to 32.6 mg/L (as P) | 0.1 mg/L | ±0.5 mg/L or ±4% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P C, vanadomolybdophosphoric acid method. | 420 nm | HI93763A-50 |
| Phosphorous, Acid Hrdyolyzable | 0.00 to 1.60 mg/L (as P) | 0.01 mg/L | ±0.05 mg/L or ±5% of reading | Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method. | 610 nm | HI93758B-50 |
| Phosphorous, Total Low Range | 0.00 to 1.15 mg/L (as P) | 0.01 mg/L | ±0.05 mg/L or ±6% of reading | Adaptation of the EPA method 365.2 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P E, ascorbic acid method. | 610 nm | HI93758C-50 |
| Phosphorous, Total High Range | 0.0 to 32.6 mg/L (as P) | 0.1 mg/L | ±0.5 mg/L or ±5% of reading | Adaptation of the Standard Methods for the Examination of Water and Wastewater, 20th edition, 4500-P C, vanadomolybdophosphoric acid method. | 420 nm | HI93763B-50 |
| Potassium, Low Range | 0.0 to 20.0 mg/L (as K) | 0.1 mg/L | ±2 mg/L ±7% of reading | Adaptation of the Turbidimetric Tetraphenylborate method | 466 nm | HI93750-01 |
| Potassium, Medium Range | 10 to 100 mg/L (as K) | 1 mg/L | ±10 mg/L ±7% of reading | Adaptation of the Turbidimetric Tetraphenylborate method | 466 nm | HI93750-01 |
| Potassium, High Range | 20 to 200 mg/L (as K) | 1 mg/L | ±20 mg/L ±7% of reading | Adaptation of the Turbidimetric Tetraphenylborate method | 466 nm | HI93750-01 |
| 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 |
| Silica, High Range | 0 to 200 mg/L (as SiO2 ) | 1 mg/L | ±1 mg/L ±5% of reading | Adaptation of the USEPA Method 370.1 for drinking, surface and saline waters, domestic and industrial wastes and Standard Method 4500-SiO2 | 466 nm | HI96770-01 |
| 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 |
| Sulfate | 0 to 150 mg/L (as SO42-) | 1 mg/L | ±5 mg/L ±3% of reading | Sulfate is precipitated with barium chloride crystals | 466 nm | HI93751-01 |
| Surfactants, Anionic | 0.00 to 3.50 mg/L (as SDBS) | 0.01 mg/L | ±0.04 mg/L ±3% of reading | Adaptation of the USEPA method 425.1 and Standard Methods for the Examination of Water and Wastewater, 20th edition, 5540C, Anionic Surfactants as MBAS | 610 nm | HI95769-01 |
| 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 |
