Digital Residual Chlorine Sensor with Modbus485 Chlorine Probe Water Analyzer For Drinking Tap Water Test

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Fuzhou Probest Intelligent Technology Co., Ltd.

Fujian, China

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Measurement Principle
The PDCL-400A digital residual chlorine/chlorine dioxide sensor uses advanced constant voltage principles to measure residual chlorine/chlorine dioxide in water. The method utilizes a stable potential between the polarized electrode and the reference electrode at which different measured components produce different current intensities. The meter calculates the concentration of the measured component by collecting and analyzing the current signal. The PDCL-400A digital residual chlorine/chlorine dioxide sensor is simple in structure, easy to clean and replace, and requires no membranes and reagents to replace the electrode during maintenance.

                                                            Principle
                                                            Constant voltage method
                                                        
                                                            Cable length
                                                            Standard 5M cable
                                                        
                                                            Measurement range
                                                            0-20 mg/L
                                                        
                                                            Electrode materials
                                                            316LStainless steel shell
                                                        
                                                            Calibration
                                                            two-point calibration
                                                        
                                                            Electrode dimensions
                                                            Dia 13mm*L 120mm
                                                        
                                                            Sensitivity
                                                            78%-155%
                                                        
                                                            Temperature compensation
                                                            Manual or automatic temperature compensation
                                                        
                                                            Temperature coefficient
                                                            2%/℃
                                                        
                                                            Power supply
                                                            12V   DC
                                                        
                                                            Communication protocol
                                                            MODBUS  RS485
                                                        
                                                            Flow rate
                                                            30 - 60 L/h
                                                        
                                                            Operating temperature
                                                            0-50℃（Non-freezing）

For chlorine water, chlorine dioxide measurement in swimming pools, drinking water distribution networks, swimming pools

Easy clean and replace.
The electrode does not need to replace membrane and reagent when operating and the maintenance is simple to ensure the stability, reliability, and accuracy of the instrument for long-term work.
Power supply and output isolation design to ensure electrical safety
Power supply and communication chip built-in protection circuit, strong anti-interference ability
With a comprehensive protection circuit design, it can work reliably without additional isolation equipment
The circuit is built inside of the electrode, the environment is well tolerated, and the installation operation is easier.
RS-485 transmission interface, MODBUS-RTU communication protocol, two-way communication, can receive remote commands
The communication protocol is simple and practical, extremely convenient to use
Output more electrode diagnostic information, more intelligent
Internal integrated memory, memory calibration, and setting information can be memorized after powering off