Hach POCKET COLORIMETER II Instruction Manual page 31

10.
Press READ/ENTER
The instrument will show - -
- - followed by the results in
mg/L chlorine.
Chlorine, Free and Total, LR,
Note:
. If the sample temporarily turns yellow after reagent
addition, or if the display shows overrange
dilute a fresh sample and repeat the test. A slight loss of
chlorine may occur because of the dilution. Multiply the
result by the appropriate dilution factor.
1—31
continued
(page 2—12)