IoT Digital Optical Dissolved Oxygen Sensor

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Shanghai BOQU Instrument Co., Ltd

Shanghai, China

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DOG-209FYD dissolved oxygen sensor uses fluorescence measurement of dissolved oxygen, the blue light emitted by the phosphor layer, a fluorescent substance is excited to emit red light, and the fluorescent substance and the concentration of oxygen are inversely proportional to the time back to the ground state. The method uses a measurement of dissolved oxygen, no oxygen consumption measurement, the data is stable, reliable performance, there is no interference, and installation and calibration are simple. Widely used in sewage treatment plants each process, water plants, surface water, industrial process water production and wastewater treatment, aquaculture, and other industries online monitoring of DO.

                                                            Model No
                                                            DOG-209FYD
                                                        
                                                            Protocol
                                                            Modbus RTU RS485
                                                        
                                                            Power Supply
                                                            DC12V
                                                        
                                                            Features
                                                            fluorescence measurement, easy maintenance
                                                        
                                                            Material
                                                            Body: SUS316L + PVC (Limited Edition), titanium (seawater version);O-ring: Viton; Cable: PVC
                                                        
                                                            Measuring range
                                                            Dissolved oxygen:0-20 mg/L、0-20 ppm; Temperature:0-45℃
                                                        
                                                            Measurementaccuracy
                                                            Dissolved oxygen:measured value ±3%; Temperature:±0.5℃
                                                        
                                                            Pressure range
                                                            ≤0.3Mpa
                                                        
                                                            Output
                                                            MODBUS RS485
                                                        
                                                            Storage temperature
                                                            -15~65℃
                                                        
                                                            Ambient temperature
                                                            0~45℃
                                                        
                                                            Calibration
                                                            Air autamatic calibration, sample calibration
                                                        
                                                            Cable
                                                            10m Size	55mmx342mm
                                                        
                                                            Waterproof rating
                                                            IP68/NEMA6P

Sewage water
River water
Aquaculture

1. The sensor uses a new type of oxygen-sensitive film with good reproducibility and stability.
Breakthrough fluorescence techniques require virtually no maintenance.
2. Maintain prompt the user can customize the prompt message is automatically triggered.
3. Hard, fully enclosed design, improved durability.
4. Use simple, reliable, and interface instructions can reduce operational errors.
5. Set a visual warning system to provide important alarm functions.
6. Sensor convenient on-site installation, plug and play.