DDS-1706 Laboratory Conductivity Meter

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Shanghai BOQU Instrument Co., Ltd

Shanghai, China

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DDS-1706 is an improved conductivity meter; based on DDS-307 on the market, it is added with the automatic temperature compensation function, with a high price-performance ratio.
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 2

                                                            Multiple function
                                                            conductivity, TDS, Salinity, Resistivity, Temperature
                                                        
                                                            Features
                                                            automatic temperature compensation, high price-performance ratio
                                                        
                                                            Measuring 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	0 Ω.cm … 100MΩ.cm Temperature(ATC/MTC)	-5…105℃
                                                        
                                                            Resolution
                                                            Conductivity	Automatic TDS	Automatic Salinity	0.1ppt Resistivity	Automatic Temperature	0.1℃
                                                        
                                                            Electronic unit error
                                                            EC/TDS/Sal/Res	±0.5 % FS Temperature	±0.3℃
                                                        
                                                            Calibration
                                                            One point 9 preset standard solution (Europe, USA,China, Japan)
                                                        
                                                            Power supply
                                                            DC5V-1W
                                                        
                                                            Size/weight
                                                            220×210×70mm/0.5kg
                                                        
                                                            Monitor
                                                            LCD display
                                                        
                                                            Electrode input interface
                                                            Mini Din
                                                        
                                                            Data storage
                                                            Calibration data 99 measurements data
                                                        
                                                            Print function
                                                            Measurement results Calibration results Data storage
                                                        
                                                            Working environment
                                                            Temperature	5…40℃ Relative humidity	5%…80%(Not condensate) Installation category	Ⅱ Pollution level	2 Altitude	<=2000 meters

Continuous monitoring of conductivity values of the solutions in thermal power plants, chemical fertilizer, metallurgy, environmental protection, the pharmaceutical industry, the biochemical industry, foodstuff, and running water.