ppbRAE 3000 User’s Guide
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Exiting Three-Point Calibration
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.
Bump Test
RAE Systems recommends that a bump test be conducted prior to
each day’s use. The purpose of a bump test is to ensure that the
instrument’s sensors respond to gas and all the alarms are enabled and
functional.
The ppbRAE 3000 must be calibrated if it does not pass a
bump test when a new sensor is installed, after sensor
maintenance has been performed, or at least once every 180
days, depending on use and sensor exposure to poisons and
contaminants.
Calibration and bump test intervals and procedures may vary
due to national legislation and company policy.
To perform a bump test (functional challenge), follow these steps:
1. Select “Bump.”
2. Install the calibration adapter and connect it to a source of
calibration gas.
3. Verify that the displayed calibration value meets the
concentration specified on the gas cylinder.
4. Start the flow of calibration gas.
5. Press [Y/+] to start the bump test.
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