DDS-1702 Portable Conductivity Meter

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Shanghai BOQU Instrument Co., Ltd

Shanghai, China

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DDS-1702 Portable Conductivity Meter is an instrument used for the measurement of the conductivity of the aqueous solution in the laboratory. If equipped with a conductivity electrode with the appropriate constant, it can also be used to measure the conductivity of pure water or ultra-pure water in electronic semiconductors or nuclear power industries and power plants.
What is Conductivity?
Conductivity is a measure of water’s capability to pass electrical flow. This ability is directly related to the concentration of ions in the water
1. These conductive ions come from dissolved salts and inorganic materials such as alkalis, chlorides, sulfides, and carbonate compounds
2. Compounds that dissolve into ions are also known as electrolytes 40. The more ions that are present, the higher the conductivity of water. Likewise, the fewer ions that are in the water, the less conductive it is. Distilled or deionized water can act as an insulator due to its very low (if not negligible) conductivity value. Sea water, on the other hand, has a very high conductivity.
Ions conduct electricity due to their positive and negative charges
When electrolytes dissolve in water, they split into positively charged (cation) and negatively charged (anion) particles. As the dissolved substances split in water, the concentrations of each positive and negative charge remain equal. This means that even though the conductivity of water increases with added ions, it remains electrically neutral

                                                            Multiple function
                                                            conductivity, TDS, Salinity, Resistivity, Temperature
                                                        
                                                            Features
                                                            automatic temperature compensation, high price-performance ratio
                                                        
                                                            Measure Range
                                                            Conductivity	0.00 μS/cm…199.9 mS/cm  	TDS	0.1 mg/L … 199.9 g/L  	Salinity	0.0 ppt…80.0 ppt  	Resistivity 	0Ω.cm … 100MΩ.cm  	Temperature（ATC/MTC）	 -5…105 ℃
                                                        
                                                            Resolution
                                                            Conductivity / TDS / salinity / resistivity	Automatic sorting  	Temperature	0.1℃
                                                        
                                                            Electronic unit error
                                                            Conductivity	±0.5 % FS  	Temperature	±0.3 ℃
                                                        
                                                            Calibration
                                                            1 point9 preset standards (Europe and America, China , Japan)
                                                        
                                                            Monitor
                                                            LCD monitor
                                                        
                                                            Shell
                                                            ABS
                                                        
                                                            Data storage
                                                            Calibration data99 measurement data
                                                        
                                                            Power
                                                            4xAA/LR6(No. 5 battery)