Hach POCKET COLORIMETER II Instruction Manual page 23

Using the SwifTest™ Dispenser (USEPA accepted for reporting)
1.
Fill a 10-mL cell with
sample (the blank). Cap.
Samples must be
Note:
analyzed immediately and
cannot be preserved for
later analysis.
Chlorine, Free and Total, LR,
2.
Press the
POWER
turn the meter on.
The arrow should indicate
the low range channel (LR).
See page 2—4
Note:
information on selecting
the correct range channel.
1—23
3.
key to Remove the meter cap.
Place the blank in the cell
holder with the diamond
mark facing the keypad.
Fit the meter cap over the
for
cell compartment to cover
the cell.
Note:
and finger prints off
sample cells.
continued
Wipe excess liquid