11
OPERATIONAL GUIDE
• Allow sufficient time for bubbles to escape before securing the cap.
Note: Do not overtighten the cap.
Note: Wipe the cuvette thoroughly with a lint-free tissue
(HI93703-70) before inserting into the measurement cell.
The cuvette must be completely free of fingerprints and other
oil or dirt, particularly in the area where the light goes through
(approx. the bottom 2 cm/1”).
• Place the cuvette into the cell and check that the notch on the cap
is positioned securely into the groove.
• The mark on the cuvette cap should point towards the LCD.
• Press the READ key and the LCD will display a blinking “SIP”
(Sampling in Process). The turbidity value will appear after
approximately 20 seconds.
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