AQ EXPERT Instruction & Operations Manual
Version 1.13
Page 37 of 63
6.
Enter the value generated as the span value using the arrow keys, and press the
enter key.
7.
Verify that the reading on the instrument matches the reading on the calibration
standard.
E. VOC SENSOR CLEANING PROCEDURE
Depending on the applications and usage, the VOC sensor should be cleaned every 6
months
– 1 year.
Warning:
All maintenance procedures must be performed on a clean surface using
clean tools. Avoid touching the lamp's window as well as the metalized portion of the
Cell Assembly with your bare fingers.
Fingerprints left on these parts may adversely affect the sensors operation. Latex
gloves are preferred, but if they are not used, your hands must be clean and free of oils,
lotions, etc. It is acceptable to hold the lamp by its glass body or by the edges of the
window.
Tools Required
· Fine-Tipped Tweezers
· Latex Gloves (Optional)
Disassembly
1.
Power down the instrument according to the User's Manual and remove the sensor
from the instrument.
2.
Remove the Filter Cap by applying slight upward pressure with the tip of the tweezers
just below the hole in the cap and between the cap and housing, it will pop off.
3.
With tweezers, remove both the Filter Media and set aside.
