Hach DR/700 Procedures Manual page 303

PLATINUM,
5 minutes
10.
Wait 5 minutes.
13.
After 2 seconds,
the display will show
a program number,
the concentration
units and the zero
prompt. Press the
key once
PROGRAM
or twice until the
lower display shows
program number
50.000
The upper display
will show the S1
concentration.
continued
11.
Install module
50.01
in a DR/700.
14.
Fill a 10-mL cell
to the 10-mL line
with the blank. Cap.
50-53
12.
Press:
I/O
The display will show
500 nm
and module number
50.01
15.
After the 5-
minute period, fill
another 10-mL cell to
the 10-mL line with
the prepared sample.
Cap.