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Thermo Scientific Orion AQUAfast AQ3010 Turbidity Meter User Guide
Restoring
Factory
Calibration
The AQ3010 turbidity meter allows you to reset the meter back to the
factory default calibration values . This feature is extremely useful when
there are errors in calibration or when you have new calibration standards .
1 . With the meter switched off, press and hold the
▲
key .
2 . Switch on the meter by pressing the
ON/OFF
key . Release the
▲
key
when “URST” (User-Reset) appears on the display .
3 . The display will show “URST” for about 2 seconds and then “No” .
4 . Use the
▲
or
▼
key to scroll between “YES” or “No” .
• YES = Restore the meter back to factory calibration values
• No = Retain the last calibrated values
5 . Press the
READ/ENTER
key to confirm your selection . The meter
performs the reset if “YES” is selected .
6 . The display will flash “-Rd-” about ten times and the meter will go to
the measurement mode .
Figure 7
shows the sequence for restoring factory calibration values .