Ponsel DO sensor
Discover fast and reliable dissolved oxygen measurement with Ponsel’s state-of-the-art OPTOD probes. Select your sensor according to your specific needs – choose between rugged stainless steel, titanium, or innovative plastic probes. These cutting-edge optical sensors guarantee precision without the hassle of constant calibration. Ponsel’s commitment to excellence ensures they meet the demands of field work and sustained campaigns. Improve your water quality assessments with our versatile and durable sensors that offer optimal performance in a wide range of applications, setting a new standard in dissolved oxygen measurement.
Technical specifications
Measuring
| Measure principle | Optical measure by luminescence |
| Measure ranges | 0,00 to 20,00 mg/L |
| 0,00 to 20,00 ppm | |
| 0-200% | |
| Resolution | 0,01 |
| Accuracy | +/- 0,1mg/L |
| +/- 0,1 ppm | |
| +/- 1 % | |
| Response time | 90% of the value in less than 60 seconds |
| Frequency of recommended measure | >5 s |
| Water move | No necessary move |
| Temperature compensation | Via NTC |
| Stocking temperature | -10°C to + 60°C |
| Signal interface | Modbus RS-485 (standard) and SDI-12 (option) |
| Sensor power-supply | 5 to 12 volts |
| Consumption | Standby 25 μA |
| Average RS485 (1 measure/ seconde) : 4,4 mA | |
| Average SDI12 (1 measure/ seconde) : 7,3 mA | |
| Current pulse : 100 mA |
Sensor
| Dimensions | Diameter : 25 mm ; length : 146 mm |
| Weight | Stainless steel version 450g (sensor + cable 3 m) |
| Titanium version 300 g (sensor + cable 3 m) | |
| Material | Stainless steel 316L, New : body in Titanium |
| Maximum pressure | 5 bars |
| Connection | 9 armoured connectors, polyurethane jacket, barewires or waterproof Fisher connector |
| Protection | IP68 |
