This document is the instruction manual for HI 9147 Portable, Water-resistant Dissolved Oxygen Meter.
The HI 9147 is a portable, water-resistant dissolved oxygen (D.O.) meter equipped with a manual calibration feature, automatic temperature compensation (ATC), salinity compensation, and a direct probe. It features an inductive system for battery recharge to ensure a watertight seal and displays readings in mg/L or % of saturation.
| Range | 0.0 to 50.0 mg/L (ppm) / 0 to 600 % |
|---|---|
| Temperature Range | -5.0 to 50.0°C |
| Resolution | 0.1 mg/l or 1% / 0.1°C |
| Accuracy | +£1% of reading (0,) / £0.2°C |
| Calibration Method | Manual, in saturated air |
| Salinity Compensation Range | 0 to 51 g/l |
| Battery Type | 1 x 9V Ni-MH, rechargeable |
| Dimensions | 164 x 76x 45 mm |
It takes approximately 14 hours to completely charge the battery.
For top performance, it is recommended to replace the membrane every 2 months and the electrolyte once a month.
Yes, the salinity compensation feature allows determination of Dissolved Oxygen even in salty waters.