Description
Overview
GAOTek dissolved oxygen sensor is based on the fluorescence quenching principle. The concentration of oxygen molecule can be calculated by measuring the phase difference between excitation light and reference light and comparing with the internal calibration value. It is suitable for surface water, groundwater, industrial water, wastewater and other application.
Features
- Low maintenance cost, no need to replace the diaphragm and electrolyte
- No oxygen consumption, no flow speed limited
- Automatic temperature compensation, good stability
- Optical measurement, fast response
- No pollution, environmental protection detection
Technical Specification
| Specification | Details |
| Main Material | 316 Stainless Steel + POMO ring: viton ring+ rubber ring
Cable: PVC |
| Waterproof Rate | IP 68 |
| Measuring Range | 0% to 200% saturability 0 mg/L to 20 mg/L |
| Measuring Accuracy | <±3% |
| Resolution | 0.001mg/L to 0.01mg/L (according to range) |
| Data Output | RS 485, Modbus |
| Power | DC 6 V to 12 V, current < 20 mA |
| Storage Temperature | -4 ℉ to 140 ℉ (-20 ℃ to 60 ℃) |
| Pressure Range | ≤6 bar |
| Calibration Way | One point or two-point calibration |
| Cable Length | 0.1 in (2.54 mm) standard cable, other length can be optional; |
| Size | 0.86 in x 5.98 in (22 mm x 152.70 mm) |
| Weight | 0.77 lb (0.35 kg) |