LaMotte DO 6 Dissolved Oxygen Meter - Manual (Page 42)

4. Hold the probe upside down. Insert the nozzle tip into one of the 4 holes
surrounding the silver cathode. Inject the fill solution into the probe body
until solution leaks out from the fill hole (approximately 5 mL).
5. Replace pre-membraned cap by tightening clockwise until hand tightened.
6. Allow at least 1 hour for the electrode to equilibrate before usage.
8.4 Electrolyte Solution
The electrolyte solution in your probe’s cap will deplete on usage and will need
to be replaced periodically.
Your DO probe comes with replacement electrolyte solution. The replacement
electrolyte comes premixed and ready to use. To order more electrolyte
solution, see “Accessories” section.
Figure 30: probe pre membraned cap replacement process
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