ZWIN-COD1006 Online Analyzer

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Tianjin Zwinsoft Technology Co., Ltd.

Beijing, China

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The ZWIN-COD1006 online analyzer uses the UV fluorescence technique. The fluorescence intensity generated during the stimulation of a UV LED can be used to calculate the COD or TOC content of water based on the fluorescence properties of organic matter. The sensor has a dual optical path design, which allows it to automatically compensate for turbidity in real time, eliminating turbidity interference with measurements and making the sensor more stable and dependable. The instrument requires no reagents, produces no pollutants, and is more cost-effective and environmentally benign. Smaller size, easier installation, and online continuous water quality monitoring. Automatic turbidity interference adjustment, along with an automatic cleaning device, ensures outstanding stability even during long-term monitoring.
Many chemical molecules dissolved in water can absorb UV light.As a result, the total amount of organic contaminants in water can be determined by measuring their ability to absorb UV light at 254nm.The probe uses two light sources: 254nm UV light and 365nm ultraviolet reference light, which can automatically reduce the interference of suspended particles, resulting in a more stable and trustworthy measuring value.

Type	ZWIN-COD1006 - I	ZWIN-COD1006 - II
Optical Length	6mm	1mm
Measuring Range	CODCr : 0- 1500 mg/L; TOC: 0-250 mg/L; Turbidity: 0 - 5 0 0 NTU; Water Temperature:0 to 50℃	CODCr : 0- 3000 mg/L; TOC: 0- 1500 mg/L; Turbidity: 0 - 3 0 0 0 NTU; Water Temperature: 0 to 50℃

                                                            Power Supply Voltage
                                                            12± 5% VDC , Electric current:  < 50 mA ( without cleaning brush)
                                                        
                                                            Shell Material
                                                            POM and 316L
                                                        
                                                            Probe Weight
                                                            665g
                                                        
                                                            Communication Methods
                                                            RS485 , Modbus protocol
                                                        
                                                            Protection Grade
                                                            IP6 8 , Maximum water depth in10m.
                                                        
                                                            Highest Bearing Pressure
                                                            1 bar
                                                        
                                                            Cable Length
                                                            5 or 10 meters
                                                        
                                                            Overall  Dimensions
                                                            214 mm × φ 50 mm
                                                        
                                                            Accuracy of Measurement
                                                            CODC r : < 5%; TOC: < 5%;  Turbidity: <3 %; Water Temperature: 0.2℃
                                                        
                                                            Resolution
                                                            CODC r : 0 .01 mg/L ; TOC: 0 . 1 mg/L ;  Turbidity: 0 . 1NTU;  Water Temperature: 0.1℃
                                                        
                                                            Cleaning system
                                                            Automatic cleaning with cleaning brush
                                                        
                                                            Measuring Principle
                                                            Dual beam absorbance method( ZWIN-COD1006nm & 365nm)
                                                        
                                                            Measuring Way
                                                            Immersion measurement
                                                        
                                                            The Measured Parameters
                                                            CODC r (mg/L); TOC (mg/L); Turbidity (NTU);  Water temperature (o C). BOD, CODM n, etc ,can be converted.