Hach DR/700 Procedures Manual page 663

OXYGEN, DISSOLVED, SHR,
10.
Press: ZERO
The display will
count down to 0.
Then the display will
show 0.00 mg/L and
the zero prompt will
turn off.
13.
Press:
READ
The display will count
down to 0. Then the
display will show the
result in mg/L
dissolved oxygen (O
11.
Insert the
AccuVac Vial
Adapter into the cell
holder.
).
2
69-3
continued
12.
Place the
prepared sample in
the cell holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.