Hach-Lange BODTRAK II: Respirometric Biochemical Oxygen Demand (BOD) User Manual
Page 29
BODTrak™ II procedures
29
10.To start the test, push
the channel number
applicable to the bottle.
11.Push the
ON
key. The
range selection menu is
shown.
12.Use the arrow keys to
choose 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.
13.Push and hold the
ON
key to start a test. A
graph will be displayed.
Note: To cancel a test push
and hold the OFF key.
Note: There is a built-in
1 hour instrument/sample
equilibration period before
data collection. The display
will show DELAY during this
period.
14.Do steps 10 through
13 again to set the test
range and start each of
the 6 channels. It is not
necessary to operate all
6 channels if less than 6
samples are available.