Features:
- No polarization required and minimal probe maintenance
- Stable in low oxygen with acid gas resistance
- Allows choice of units for D.O.: percentage (%) or mg/L
- Built-in automatic temperature adjustment (°C/°F)
- Manual settings for salinity and pressure compensation
- Supports 2-point D.O. calibration for precise measurements
Specifications
| Specification | HD3031 |
|---|---|
| Product | Optical Dissolved Oxygen Meter |
| Measuring Range | 0.00–200.0%; 0.00–20.00 ppm (mg/L) |
| Resolution | 0.1%; 0.1 ppm (mg/L) |
| Accuracy | <5 ppm: ±0.3 ppm (mg/L); 5–20 ppm: ±0.4 ppm (mg/L) |
| Temperature Compensation | 0–50°C |
| Battery Type | 6 × AAA Batteries |
| Salinity Adjustment | 0–55.0 ppt |
| Pressure Adjustment | 500–863 mmHg |














