Hach DR/700 Procedures Manual page 423

OXYGEN, DISSOLVED, HR
For water and wastewater
HRDO Method
1.
Install module
number
52.01
in a DR/700.
Note: Samples must be
analyzed on site and
cannot be stored; see
Sampling and Storage
following these steps.
2.
Press:
I/O
The display will show
525 nm
and module number
52.01
52-97
Method 8166
(0 to 14.0 mg/L O
3.
After 2 seconds,
the display will show
a program number,
the concentration
units, decimal
position and the zero
prompt. If necessary,
press the
UP
key until the
ARROW
lower display shows
program number
52.14.1
)
2