Do Measurement - Thermo Scientific Star Series User Manual

7 . Press to accept selection and return the arrow icon to the top line .
8 . Press to return to measurement mode .
9 . The probe and calibration standard (water-saturated air or air-saturated water)
should be allowed to reach equilibrium before the system is calibrated .
a . Press
b . Wait for reading to stabilize .
c . Meter will display 102 .3% and return to measurement mode .

DO Measurement

1 . Rinse the DO probe, as well as stirrer if being used, in deionized water . Blot dry
with a lint-free tissue .
2 . Place the DO probe in your sample .
a . If you are in continuous measurement mode, the instrument will start
measuring immediately . If you are using the benchtop meter and the stirrer
control is enabled, then pressing
The will flash until the reading is stable . Once the reading is stable you
can log and print the measurement by pressing
the data into a notebook, record the DO as well as the temperature at which
the DO reading is taken . If the stirrer is in motion, press
stirrer before removing the stirrer from the sample .
Thermo Scientific Orion Star
.
Series Meter
™
Dissolved Oxygen Technique
will start the stirrer .
. If you are recording
to turn off the
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