Hach-Lange BODTRAK II: Respirometric Biochemical Oxygen Demand (BOD) User Manual

Page 29

Text mode
Original mode

BODTrak™ II procedures

10.To start the test, push

the channel number

applicable to the bottle.

11.Push the

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

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.