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- pH Range : 0.00 to 14.00
pH Resolution : 0.01 pH
pH Accuracy : ±0.05 pH
pH Calibration : automatic, one or two-point with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18)
- EC Range : 0 to 3999 µS/cm
EC Resolution : 1 μS/cm
EC Accuracy : ±2% F.S.
EC Calibration : automatic, one point at 1413 µS/cm
- TDS Range : 0 to 2000 mg/L
TDS Resolution : 1 mg/L
TDS Accuracy : ±2% F.S.
- TDS Calibration : automatic, one point at 1382 mg/L (ppm)
- Dissolved Oxygen Measurement Type titration
Dissolved Oxygen Range : 0.0 to 10.0 mg/L O₂
Dissolved Oxygen Resolution : 0.1 mg/L
Dissolved Oxygen Measurement Method modified Winkler
Dissolved Oxygen Number of Test : 110
- Temperature Range : 0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution : 0.1°C / 0.1°F
Temperature Accuracy : ±0.5°C / 1°F
- Acidity Measurement Type : titration
Acidity Range : 0 to 100 mg/L CaCO₃; 0 to 500 mg/L CaCO₃
Acidity Resolution : 1 mg/L (0 to 100 mg/L range); 5 mg/L (0 to 500 mg/L range)
Acidity Method methyl orange / phenolphthalein
Acidity Number of Tests : 110
- Alkalinity Measurement Type : titration
Alkalinity Range : 0 to 100 mg/L CaCO₃; 0 to 300 mg/L CaCO₃
Alkalinity Resolution : 1 mg/L (0 to 100 mg/L range); 3 mg/L (0 to 300 mg/L range)
Alkalinity Method : phenolphthalein / bromophenol blue
Alkalinity Number of Test : 110
- Carbon Dioxide Measurement Type : titration
Carbon Dioxide Range : 0.0 to 10.0 mg/L CO₂; 0.0 to 50.0 mg/L CO₂; 0 to 100 mg/L CO₂
Carbon Dioxide Resolution : 0.1 mg/L (0.0 to 10.0 mg/L range); 0.5 mg/L (0.0 to 50.0 mg/L range); 1 mg/L (0 to 100 mg/L range)
Carbon Dioxide Method phenolphthalein
Carbon Dioxide Number of Tests : 110
- Hardness, Total Measurement Type : titration
Hardness, Total Range : 0.0 to 30.0 mg/L CaCO₃; 0 to 300 mg/L CaCO₃
Hardness, Total Resolution : 0.3 mg/L (0.0 to 30.0 mg/L range); 3 mg/L (0 to 300 mg/L range)
Hardness, Total Method EDTA
Hardness, Total Number of Tests : 100
- Nitrate Measurement Type : colorimetric
Nitrate Range : 0 to 50 mg/L NO₃⁻-N
Nitrate Resolution : 10 mg/L
Nitrate Method cadmium reduction
Nitrate Number of Tests : 100
- Phosphate Measurement Type : colorimetric
Phosphate Range : 0 to 5 mg/L PO₄³⁻
Phosphate Resolution : 1 mg/L
Phosphate Method : ascorbic acid
Phosphate Number of Test : 50
* Ordering Information HI3817BP Backpack Lab includes HI98129 Combo pH/EC/TDS/temperature tester, acidity test kit, alkalinity test kit, carbon dioxide test kit, dissolved oxygen test kit, hardness test kit, nitrate test kit, phosphate test kit, set of 10 field test procedures, teacher's resource CD, teacher's guide and backpack.
