Thermo Scientific Orion Star
™
and Star Plus Meter User Guide
EN-38
RDO Optical Dissolved Oxygen Temperature
Display and Calibration
RDO Optical Dissolved Oxygen Temperature Display
Star Plus meters allow the temperature to be viewed on individual measurement
lines in addition to the temperature display on the top, left of the screen .
To view the temperature for the RDO dissolved oxygen measurement line:
1 . In the measurement mode, press
to choose the bottom display line .
The arrow icon will point to the selected line .
2 . Press
/
to change the value on the selected line . The bottom line can
be changed to display dissolved oxygen (% saturation), dissolved oxygen (mg/L),
barometric pressure (no icon), temperature (no icon) or a blank line .
RDO Optical Dissolved Oxygen Temperature Calibration
The temperature calibration mode of the Star Plus meter allows the temperature
on each measurement line to be manually adjusted .
To calibrate the temperature for the RDO dissolved oxygen measurement line:
1 . In the measurement mode, press
to choose the bottom measurement line
and press
/
until the temperature is displayed .
2 . Press
to begin the calibration .
3 . When the reading stabilizes, the arrow icon and the first digit will flash .
Enter the temperature by pressing
/
to adjust each digit and
to move to the next digit .
4 . Press
to save and end the calibration .
RDO
®
Optical Dissolved Oxygen Technique
Summary of Contents for Orion Star
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