Thermo Scientific Orion Star
™
and Star Plus Meter User Guide
EN-36
3 . In the measurement mode, press
until the arrow icon points to the bottom
line, press
until the
% sat
or
mg/L
icon is shown and press
to begin
the calibration .
4 . Wait for the dissolved oxygen reading to stabilize .
a . If an air calibration is performed, the meter will display 100 .0% and
automatically return to the measurement mode .
b . If a water calibration is performed, the meter will display 100 .0% and
automatically return to the measurement mode .
c . If a manual calibration is performed, wait for the
mg/L
icon to stop flashing
and enter the dissolved oxygen value by pressing
until the first digit to
be changed is flashing, press
/
to change the value of the flashing
digit and continue to change the digits until the meter displays the correct
dissolved oxygen value . Once the dissolved oxygen value is set, press
until the decimal point is in the correct location .
d . If a zero point calibration is performed, the meter will display 0 .00 and
automatically return to the measurement mode .
RDO
®
Optical Dissolved Oxygen Technique
Summary of Contents for Orion Star
Page 367: ......
