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7.
Gently shake the 100 NTU test solution bottle, Line up the white mark on the bottle and
insert it into the test chamber and close and lock the cover.
8.
Momentarily press the "CAL" button. The LCD will flash CAL for 10 seconds.
9.
When calibration is complete the LCD will return to normal operating mode.
NOTE: If the following error message appears "Error cannot be calibrated..." check the value of the
standard solution. If error message still appears complete the "Calibration Clear"
procedure.
800.561.8187
CAL
100
5
www.
.com
ntu
information@itm.com
TB400-en-GB_V1.3 8/16
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