If you have pressed [Y/+] to enter Span calibration, then you will see the name of your Span gas
(the default is isobutylene) and the span value in parts per million (ppm). You will also see this
message that prompts you:
ppbRAE 3000+
MiniRAE 3000+, UltraRAE 3000+, MiniRAE Lite+
Note: The default Span value is 100ppm on MiniRAE 3000+ and UltraRAE 3000+, only ppbRAE
3000+ has a value of 10ppm.
1. Turn on your span calibration gas.
2. Press [Y/+] to initiate calibration.
Note: You may press [MODE] if you decide that you do not want to initiate calibration. This
will abort the span calibration and take you directly to the Calibration menu for Zero
calibration.
3. Span calibration starts and displays this message:
Calibrating...
During the Span calibration process, there is a 30-second countdown and the instrument
performs the Span calibration automatically. It requires no actions 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 appears. 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 see a message similar to this (the value is an
example only):
Span 1 is done!
Reading = 10.0 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.
Exiting two-point calibration in basic user level
When you are done performing calibrations, press [MODE], which corresponds with “Back” on
the display.
You will see the following message:
Updating settings…
The instrument updates its settings and then returns to the main display. It begins or resumes
monitoring.
Handheld PID Monitors 63 User Manual
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