Hach POCKET COLORIMETER II Instruction Manual page 17

4.
Fill a second sample cell
with 10 mL of sample (the
blank). Wipe off any liquid
or fingerprints.
Phosphorus, Reactive,
5.
Press the
POWER
turn the meter on.
The arrow should indicate
channel 1.
See page 2—4
Note:
information on selecting the
correct channel.
1—17
6.
key to Place the blank into
the cell holder.
Cover the sample cell with
the instrument cap.
for
continued