Hach POCKET COLORIMETER II Instruction Manual page 10

Nitrogen, Free Ammonia and Chloramine (Mono),
1.
Press the
POWER
turn the meter on.
The arrow should indicate
the monochloramine
channel (Cl ).
2
See page 2—4
Note:
information on selecting the
correct channel.
FA
2.
key to Fill two cells with 10 mL
of sample.
Label one cell "Free
Ammonia" and one cell
"Monochloramine".
for
M
1—10
continued
M
3.
Place the cell for
Monochloramine
measurement into the cell
holder.