The method of a kind of accurate measurement seawater relative conductivity and the absolute conductivity of solution

The method of a kind of accurate measurement seawater relative conductivity and the absolute conductivity of solution

  • CN 85,106,569 A
  • Filed: 08/29/1985
  • Published: 03/18/1987
  • Est. Priority Date: 08/29/1985
  • Status: Abandoned Application
First Claim
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1. , the method of a kind of accurate measurement seawater relative conductivity and the absolute conductivity of solution, its metering circuit is by audio oscillation power supply [1], ratio voltage divider [2], conductance cell A and B, frequency-selecting amplifier and balanced signal detecting device [3] are formed, its instrument block scheme is by audio oscillation power supply [1], stabilized voltage supply [4], small-sized water-bath of non-constant temperature or oil bath [5], drive the electric mixer [6] that water sample flows in the conductance cell, stirrer power supply [7], frequency-selecting amplifier [8] and balance signal detector [9] are formed, and the ratio voltage divider can require to select for use according to measuring accuracy, conductance cell A and B are kapillary [11] formation of φ

  • 2 by black platinized platinum electrode [10] of two platinum plating and pipe stage casing all, the invention is characterized in;

    the cell constant of conductometric vessel of conductance cell A and B does not wait, and forms electric bridge with the ratio voltage divider, is direct-reading meter;

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