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Thermo Electron Corporation
XIII-6
Orion Star Series Meter
Care and Maintenance
Troubleshooting
Conductivity
1 . Temperature coefficient entry screen doesn’t show up in Setup .
•
or
is selected for the temperature compensation in Setup . Change
conductivity temperature compensation to
and the next screen allows
the manual entry of the temperature coefficient .
2 . Conductivity goes out of range when it should still be in range .
• Check that the Cell Type selected in setup is
and not one of the
manual ranging numbers 1 – 7 .
Dissolved Oxygen
1 . Manual barometric pressure entry screen doesn’t show up in Setup .
• Auto is selected for barometric pressure compensation in
setup . Change pressure compensation to manual and the
next screen will be the manual pressure entry screen .
2 . Manual salinity factor entry screen doesn’t show up in Setup .
• Auto is selected for salinity correction in setup . Change salinity correction to
manual and the next screen will be the salinity factor entry screen .
3 . The Auto-stir DO probe doesn’t turn on when
is pressed .
• Read Type must be set as Auto and a stirrer speed must be set to operate
initiate auto-read & stirring from the BOD probe button .
ISE
1 . It takes several minutes for the readings to stabilize in calibration .
• Concentration range in setup maybe set too low . Change setting to high .
• ISE may need maintenance, refer to the ISE electrode User Guide .
2 . Auto-blank correction gives slope that is too low or cannot be manually checked .
• Turn Auto-Blank correction off in Setup .
Summary of Contents for Orion Star
Page 1: ...Orion Star Series Meter User s Guide Analyze Detect Measure Control ...
Page 12: ...Thermo Electron Corporation III 4 Orion Star Series Meter NOTES ...
Page 56: ...Thermo Electron Corporation VIII 14 Orion Star Series Meter Dissolved Oxygen Technique NOTES ...
Page 108: ...Thermo Electron Corporation XIV 6 Orion Star Series Meter NOTES ...