DDS-1706 Laboratory Conductivity Meter

Short Description:

★ Multiple function: conductivity, TDS, Salinity, Resistivity, Temperature
★ Features: automatic temperature compensation, high price-performance ratio
★ Application: chemical fertilizer, metallurgy, pharmaceutical, biochemical, running water

 


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Product Detail

Technical Indexes

What is Conductivity?

Manual

DDS-1706 is an improved conductivity meter; based on DDS-307 on the market, it is added with the automatic temperature compensation function, with high price-performance ratio. It can be widely used for continuous monitoring of conductivity values of the solutions in thermal power plants, chemical fertilizer, metallurgy, environmental protection, pharmaceutical industry, biochemical industry, foodstuff and running water.


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  • 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
    Use environmental conditions Temperature 5…40℃
      Relative humidity 5%…80%(Not condensate)
      Installation category
      Pollution level 2
      Altitude <=2000 meters

    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

    DDS-1706 user manual

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