Accumet XL 20 User Manual page 156

DO Operation: BOD Measurement
XL40 and 60 meters
To measure BOD of the Sample:
3. Insert DO probe into a BOD bottle filled with your sample.
4. Allow probe to stabilize for 30 minutes, constantly stirring the solution.
5. Touch BOD on the BOD measurement screen to enter BOD Calculation Parameter
Screen. Screen show current DO reading.
6. Touch the SAMPLE to designate BOD measurement as sample.
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