Phosphorus High Range Analyzer
The document is an instruction manual for the Hanna Instruments HI 706, a portable photometric analyzer designed to measure reactive phosphorus in water and wastewater. The instrument utilizes the Heteropoly-molybdenum Blue method, where the reaction between reactive phosphorus and reagent causes a blue tint in the sample.
| Range | 0.0 to 15.0 ppm |
|---|---|
| Resolution | 0.1 ppm |
| Accuracy | 0.3 ppm +5 % of reading @ 25 °C / 77 |
| Light Source | Light Emitting Diode @ 525 nm |
| Light Detector | Silicon Photocell |
| Environment Temperature | 0 to 50 °C (32 to 122 °F) |
| Relative Humidity | max 95% RH non-condensing |
| Battery Type | 1 x 1.5 V AAA Battery |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4x1.5") |
| Weight | 64g (2.25 oz) |
It uses the Heteropoly-molybdenum Blue method from Standard Methods for the Examination of Water and Wastewater, 18th edition.
The instrument displays a warning indicating that there is too much light to perform the measurement.
The instrument shuts off after 10 minutes of non-use.