Hanna HI 713 Phosphate Low Range is a simple-to-use, reliable water quality analyzer that accurately measures the concentration of phosphate in water samples.
The document serves as an instruction manual for the Hanna Instruments HI 713, a portable meter designed for measuring Phosphate Low Range. It details the preliminary examination of the device, lists included accessories such as sample cuvettes and reagents, and outlines technical specifications including range, resolution, accuracy, and environmental limits.
The guide provides step-by-step instructions for performing accurate measurements, covering procedures for zeroing the meter, adding reagents, and interpreting display results. It also includes troubleshooting information for common error messages like 'Light High', 'Battery low', and 'Over Range', along with guidelines for battery management and maintenance.
| Range | 0.00 to 2.50 ppm |
|---|---|
| Resolution | 0.01 ppm |
| Accuracy | ±0.04 ppm ±4% of reading @ 25°C |
| Light Source | Light Emitting Diode @ 525 nm |
| Light Detector | Silicon Photocell |
| Operating Temperature | 0 to 50°C (32 to 12°F) |
| Relative Humidity | max 95% RH non-condensing |
| Dimensions | 81.5 x 61 x 37.5 mm (3.22.4 x15") |
| Weight | 64 g (2.25 oz) |
The instrument measures phosphate concentrations from 0.00 to 2.50 ppm.
One fresh battery lasts for a minimum of 5000 measurements depending on the light level.
It indicates that the sample concentration is beyond the programmed range and needs to be diluted.