Hach DR/700 - Page 425

52-99
OXYGEN, DISSOLVED, HR, continued
10. Press: ZERO
The display will
count down to 0.
Then the display will
show 0.0 mg/L and
the zero prompt will
turn off.
11. Insert the
AccuVac Vial
Adapter into the cell
holder.
12. Wipe dry and
place the prepared
sample in the cell
holder.
Note: In bright sunlight
it may be necessary to
close the cell
compartment cover.
13. Press: READ
The display will
count down to 0.
Then the display will
show the results in
mg/L dissolved
oxygen (0
2
).