ppbRAE 3000 User’s Guide
50
5. Press [Y/+] to initiate calibration.
Note: You may press [MODE] if you decide that you do not
want to initiate calibration. This will take you directly to the
Calibration menu for Zero calibration.
6. Span calibration starts a 30-second countdown and displays
this message:
Calibrating...
During the Span calibration process, the instrument performs the
Span calibration automatically and does not require any action on
your part.
Note: If you want to abort the Span calibration process, press [N/-] at
any time during the process. You will see a confirmation message that
says “Span is aborted!” and then the Zero calibration menu will
appear. You can then proceed to perform a Zero calibration, perform
a Span calibration, or exit to the topmost Calibration menu.
When Span calibration is complete, you will see a message similar to
this (the value shown here is for example only):
Span 2 is done!
Reading = 1000 ppm
The instrument then exits Span calibration and shows the Zero
calibration menu on its display.
Note: The reading should be very close to the span gas value.
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