Hach CL17sc Manuel De L'utilisateur page 22

7. Replace the indicator bottle as follows:
a. Remove the cap and seal from the indicator bottle and the brown DPD bottle.
b. Fill the brown DPD bottle approximately ¼ full with indicator solution.
c. Swirl the DPD bottle to mix.
d. Put the contents of the DPD bottle into the indicator bottle.
e. Invert the indicator bottle until all of the powder is dissolved (2 minutes).
f. Remove the used indicator bottle from the analyzer.
g. Put the indicator tubing in the new indicator bottle on the left side of the analyzer. Tighten the
cap.
8. Push enter.
9. When "TASK COMPLETE" shows on the display, push enter. The analyzer starts a
measurement cycle in approximately 30 seconds.
7.4 Clean the screen in the Y-strainer
Clean the screen in the Y-strainer when there is a blockage, which is identified with a LOW SAMPLE
FLOW warning. Complete the illustrated steps that follow.
22 English