Hach Pocket Colorimeter II Instruction Manuals page 55

Chlorine Dioxide (using Powder Pillows)
1.
Fill a 10-mL sample cell
with sample (the blank).
Note: Samples must be
analyzed immediately.
2.
Press the
POWER
turn the meter on.
The arrow should indicate
channel 1.
Note: See page 2—4
information on selecting the
correct range channel.
1—55
Chlorine Dioxide,
3.
key to Place the cell into the cell
holder. Cover the cell with
the instrument cap.
for
continued