Technical Note TN-136
06/10/TM
RAE Systems by Honeywell 877-723-2878 raesystems.com
3
Once the tube is in place, begin measuring by pressing [Y/+].
The display shows a countdown (60 seconds is shown here, but
sampling time depends on the type of separation tube selected and
the temperature):
Note:
You can abort the sampling by pressing [N/-] at any time.
Once the countdown is complete, the reading is shown:
Press [Y/+] to continue sampling with the tube for 15 minutes to
establish a STEL reading, or press [N/-] to return to the main menu.
WARNING!
At least 1/4 of the tube should still be yellow-
orange at the bottom. If not, the STEL value is not valid. Abort the
measurement and change the tube. Then do a snapshot test instead
of a STEL test.
Note:
If the STEL is exceeded, the UltraRAE 3000
goes into alarm.
If you press [N/-] to return to the main menu, which shows the tube
type instead of the CF (correction factor):
Press [N/-] to advance to this screen:
If you press [Y/+], you are asked, “Clear peak value! Are You Sure?”
to confirm:
Press [Y/+] to clear the Peak value and exit to VOC operation.
If you press [N/-], this display is shown:
Remove the tube and put the inlet back together. Then press [N/-].
This display is shown:
After a few seconds, the UltraRAE 3000 enters VOC mode and
shows this display:
You can step through the rest of the steps by pressing [N/-]
repeatedly until you reach the main menu again.
