Online Nitrate Nitrogen Sensor

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Yantai Chemins Instrument Co., Ltd.

Shandong, China

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NON-206A integrated online nitrate nitrogen sensor is fabricated using a PVC membrane-based nitrate ion selective electrode for testing nitrate ion content in water with temperature compensation to ensure fast, simple, accurate, and economical testing. The technical parameters, maintenance, and communication protocols of the nitrate nitrogen sensor are described in detail in this user manual.
Signal output: RS-485 bus, Modbus/RTU protocol, convenient to connect to PLC, DCS, industrial control computer, general controller, paperless recording instrument or touch screen, and other third-party equipment.
The patented nitrate ion probe, the internal reference solution oozes extremely slowly from the microporous salt bridge at a pressure of at least 100 KPa (1 Bar). Such a reference system is very stable and has a longer electrode life than conventional industrial electrodes.
The membrane head is replaceable, lowering the cost.
Easy to install: 3/4 NPT thread (pipe thread) for easy submersible installation or installation in pipes and tanks.
IP68 protection level.

                                                            Model
                                                            NON-206A
                                                        
                                                            Protection grade
                                                            IP68
                                                        
                                                            Measuring range and  Resolution
                                                            0～100.00mg/L  0.01mg/L  0～1000.0mg/L  0.1mg/L
                                                        
                                                            Power consumption
                                                            0.2W@12V
                                                        
                                                            Accuracy
                                                            ±10% or ±2mg/L，±0.5℃
                                                        
                                                            Calibration
                                                            Two-point calibration
                                                        
                                                            Working temperature
                                                            0～40℃
                                                        
                                                            Working pressure
                                                            ＜0.1MPa
                                                        
                                                            Medium PH range
                                                            2.5～11pH
                                                        
                                                            Temperature compensation
                                                            Temperature compensation (Pt1000)
                                                        
                                                            Power supply
                                                            12～24VDC
                                                        
                                                            Cable length
                                                            5 meters, can be customized
                                                        
                                                            Signal output
                                                            RS-485 bus, Modbus/RTU
                                                        
                                                            Wetted material
                                                            PVC and POM
                                                        
                                                            Installation
                                                            3/4NPT thread, immersion installation

Rinse the electrode in distilled water (or deionized water), blot dry, and do not wipe dry. Place the electrode on the electrode holder. Before use, the tip of the electrode was immersedintapwater24 hours. Keep the electrode dry before use. The sensing element of the electrode should be placed in the protective bottle. The electrode should be immersed in the activation solution for 24 hours before testing. If stored overnight or longer, clean the electrode tip with deionized water, wipe it dry, and place it in the original packaging. Check if the terminal is dry. If it is stained, wipe it with absolute alcohol and dry it. Avoid long-term immersion in distilled water or protein solution and prevent contact with silicone grease. With longer electrodes, its PVC film may become translucent or with deposits, which can be rinsed with distilled water (or deionized water). The electrode is used for a long time. When a measurement error occurs, it must be calibrated with the meter. When the calibration and measurement cannot be performed while maintaining and maintaining the electrode in the above manner, the electrode has failed. Please replace the electrode