In Situ Ammonia Nitrogen Analyzer

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Yantai Chemins Instrument Co., Ltd.

Shandong, China

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The detection principle of the TAN-300 in-situ ammonia nitrogen analyzer is mainly based on Nessler reagent spectrophotometry and improved on this basis: ammonia nitrogen in the form of free ammonia or ammonium ions in the water sample reacts with Nessler reagent to produce light reddish brown The absorbance of the complex is proportional to the ammonia nitrogen content, and the absorbance is measured at a wavelength of 420 nm. Through the online monitoring of ammonia nitrogen in the water, the instrument can provide users with continuous and stable monitoring data required for water quality investigation, water environment monitoring, and early warning of ecological disasters.
It has the advantages of low power consumption, small size, and easy portability. It can be integrated into buoys, multi-parameter monitoring systems, or run on ships, shore-based deployment, etc. to achieve unattended online monitoring.

                                                            Model
                                                            TAN-300
                                                        
                                                            Shell material
                                                            PVC material
                                                        
                                                            Measurement principle
                                                            Nessler's reagent spectrophotometry
                                                        
                                                            Cable length
                                                            5 meters, other lengths can be customized
                                                        
                                                            Ammonia nitrogen range
                                                            0~2 mg/L（0~5 mg/L）
                                                        
                                                            Ammonia nitrogen accuracy
                                                            ±10%F.S.
                                                        
                                                            Installation method
                                                            Immersion installation
                                                        
                                                            Ammonia nitrogen resolution
                                                            0.001mg/L
                                                        
                                                            Protection class
                                                            IP68
                                                        
                                                            Calibration method
                                                            Two-point integration
                                                        
                                                            storage temperature
                                                            -5～45℃
                                                        
                                                            output method
                                                            RS-485 bus, Modbus/RTU protocol
                                                        
                                                            working conditions
                                                            0～45℃、<0.1MPa
                                                        
                                                            Power supply
                                                            24VDC±10%
                                                        
                                                            Power consumption
                                                            <15W

It is an in-situ analyzer suitable for the determination of ammonia nitrogen concentration in water bodies such as surface water, nearshore, and estuaries

Product advantages

Nessler's Reagent Spectrophotometry Using National Standard Method
Small size, submerged installation, in-situ water quality monitoring
Unique and compact structure design, low reagent consumption, low operation, and maintenance cost
The precise optical system, high detection accuracy, and good stability
Good correlation with manual analysis, suitable for sewage outfall and various water environment monitoring
It can be integrated into buoys, multi-parameter monitoring systems, run on ships, shore-based deployment, etc.