PROGRAMMING OF IAQRAE
4-34
4.6.1 Change VOC Gas
The user may choose one of the pre-stored VOC gases in the
monitor, which then automatically calculates its correction
factor relative to the VOC calibration gas. This correction factor
is used during gas measurements calculate and display the
equivalent concentration of the selected VOC gas.
1. When the “Change VOC Gas (measurement)?” screen
appears, press [Y/+]. If a PID sensor is installed and
enabled, the following display will appear:
VOC gas (meas) =
Isobutylene?
Otherwise, the message “No VOC installed” will appear.
2. To select a different VOC span gas, then press [N/-] to
scroll up through the list of gases until the desired name
appears. For rapid scrolling, hold down [N/-].
3. Press [Y/+] or [MODE] to select the new gas and exit the
submenu.
