FUNCTION SELECTOR 



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CD CD CD O) (2 



-CONDUCTIVITY RATIO 



-STANDARDIZATION 



CD_CD__CD (D, 



STIR 

 OFF(^(N) 



Figure 1-12. Salinometer set up for operation. 



carefully when filling, rinsing, and draining 

 the salinometer sample cell during salinity 

 analysis : 



Step 1. Set the Stir Fill switch to Fill. Wipe 

 the latex fill tube with a cleansing tissue, and 

 insert the tube into the liquid or sample to be 

 drawn into the cell. 



Step 2. Turn the three-way valve to Fill posi- 

 tion, and adjust the screw clamp on the air re- 

 lief tube (or turn the fill knob) until the cell 

 fills at a speed that does not produce bubbles on 

 the inner surfaces of the cell. 



Step 3. Allow the cell to fill until the liquid 

 starts to enter the overflow tube at the top of 

 the cell. Tuni the three-way valve to Shut posi- 

 tion, and set the Stir Fill switch to Stir. This 

 will rinse the inner surfaces of the cell. 



Step 4. To drain the contents of the cell into 

 the waste bottle, turn the Stir Fill switch to Off 

 position and set the three-way valve to Drain 

 position. NOTE: If the three-way valve is 



Figure 1-13. Internal zero adjustment. 



1-13 



