Thermo Scientific Orion Star
™
and Star Plus Meter User Guide
EN-10
Meter Connections with Multiple Functions
• Use the BNC input to connect pH, ISE and ORP electrodes with a BNC
or waterproof BNC connector .
• Benchtop meters have a reference input that is used to connect a separate
reference electrode . Reference electrodes require an separate, appropriate
sensing electrode for measurements .
• The 970899WP dissolved oxygen probe can be used on the BNC input .
• Use the 8 pin miniDIN input for conductivity probes or for automatic temperature
compensation (ATC) probes .
• The DO AUTO-STIR probe uses the 9 pin miniDIN input and the stirrer jack .
• Connect a printer or computer to the RS232 input using the appropriate cable .
Turning on the Instrument
With the batteries installed in the portable meters and the power adapter attached
or the batteries installed in the benchtop meter, press
to turn on the meter .
If using a 3-Star, 4-Star or 5-Star meter, press
when the meter is powered on
to toggle the backlight on and off . When the benchtop meter is drawing line power,
the backlight will stay on until
is pressed .
To turn off the meter, press and hold
for about three seconds .
Meter Maintenance
For routine meter maintenance, dust and wipe the meter with a damp cloth .
If necessary, a warm water or a mild water-based detergent can be used .
Perform meter maintenance on a daily, weekly or monthly basis, as required
by the environment in which the meter is operated .
Immediately remove any spilled substance from the meter using the proper
cleaning procedure for the type of spill .
Meter Preparation
