Hach BODTrak II User Manual page 15

1. Put a stir bar into 2. Put a seal cup
the bottle. into the neck of the
bottle.
4. Put the bottles on 5. Put the
the BODTrak II instrument in the
chassis. Connect the incubator. The
applicable tube to incubator
the sample bottle temperature must be
and tighten the cap. 20 ± 1 ºC.
Note: Instrument
performance has not
been tested at other
temperatures.
3. Use a spatula 7. Push and hold
scoop to add 2 the LEFT and
potassium hydroxide RIGHT arrows at the
pellets to the seal same time to go to
cup. Repeat steps 1 the instrument setup
to 3 for each sample menu.
bottle. Note: Set the time and
date if necessary
the clock
6. Plug in and
power on the
10. To start the test,
instrument. Make
push the channel
sure that all the stir
number for the
bars are rotating. If
bottle.
not, lift the bottle up
then set it down
again.
8. Push the channel
6 key to go to the
test length
parameter. Use the
arrow keys to select
a 5, 7 or 10 day test.
Note: The selected test
(Set length is for all six
on page 7). channels.
11. Push ON. The
range selection
menu is shown.
9. Push OFF to
save selections and
exit the menu.
12. Use the arrows
to select the test
range.
Note: Use the left arrow
key for the 0 to 35 and
0 to 70 mg/L ranges.
Use the right arrow key
for the 0 to 350 and 0 to
700 mg/L ranges.
English 13