Digital optical sensor for dissolved oxygen in aqueous solutions
The sensor’s latest optical technology enables precise measurement with long-term stability in fish breeding, sewage treatment plants, as well as other water and wastewater technology applications. The integrated analog and digital interface allows easy connection to field devices and process control systems.
| General technical data | |
|---|---|
| Measuring range | 0 to 20 mg / l eller 0 to 200% sat. |
| Measuring accuracy (25 °C) | ±1 % |
| Operating temperature | -5 to +50 °C |
| Maximum pressure | 0 to 5 bar (relative) |
| Temperature measurement | NTC (22 kOhm) |
| Temperature compensation | Automatic |
| Response time | t90 % < 60 s |
| Diameter | Sensor shaft: 20 mm, threaded shaft: 30 mm |
| Materials in contact with the medium | PVC, PC |
| Resistances | CO₂, H₂S, SO₂, ethylene oxide and gamma sterilization |
| Process connection | Rp 1″ |
| Output | 4 to 20 mA in two-wire technology |
| Interface | RS485 with Modbus RTU |
| Special features | Precise measurement even at low concentrations; self-diagnostic functions; JUMO digiLine; UV-stable sensor cap |
| Application areas | Water and wastewater treatment (e.g. sewage treatment plants, fish breeding, aquaristics, and aquaponics); surface water; universities and educational institutions |
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