Hach POCKET COLORIMETER II Instruction Manual page 23

Ammonia, Nitrogen,
10.
Press the
POWER
to turn the meter on.
The arrow should indicate
mg/L NH –N.
3
See page 2—4
Note:
information on selecting the
correct range channel.
网址：www.mamots.com
continued
11.
key Place the yellow-
colored blank in the cell
holder.
for
1—22
客服：400 688 9809
12.
Cover the blank with
the instrument cap.
电话：0431-85178766