CP 1 – Cathodic Protection Tester Course Manual
© NACE International, 2000
07/01/04
4. Pour in copper sulfate crystals to fill bottom of cell to a depth of ½ to ¾ inch.
Do not fill the cell beyond ¼ in volume.
5. Pour in distilled water or copper-sulfate-solution (approved for reference cell
use) to a point just below the manufactured threads in the cell body.
6. Assemble and screw in a reference cell tip that has been presoaked in distilled
water.
7. Shake cell several times to mix cell solution with copper sulfate crystals.
8. Maintain fluid so that 95% of the cell is fluid filled.
9. Maintain cell so that copper sulfate crystals are always visible in the solution.