Quick start guide
English
1
Press
2
Si-AQ Comfort & Si-AQ Pro: at initial startup, allow the CO
to warm up and stabilize.
Si-AQ Comfort & Si-AQ Pro: if applicable, attach the optional probe and sampling
3
line to the monitor.
4
Press
5
Si-AQ Comfort & Si-AQ Pro: zeroing sensors using outdoor fresh air (except CO
The user should be at least 20-30 feet (6-10 meters) away from any buildings, parking lots, highways, and
any other possible exhaust sources. If in doubt of the ambient air, please use the ZERO AIR cylinder.
• Press
• Have the cursor (reverse color) point to Zero Gas Sensors. Press OK to
• At the end of the zero period the instrument reads the output of all gas sensors (with
• If no error messages appear at the end of the countdown, proceed with your measurements.
Si-AQ VOC: zeroing VOC & Gas Sensors using Si-AQ VOC Zero Filter (except CO
in ambient air conditions
Let the instrument run in ambient conditions for minimum of 5 minutes BEFORE Connecting the Si-AQ VOC
Zero Filter and performing the ZERO.
• Press
• To zero the gas sensors (except CO
• Zero Gas Sensors: this will set the zero point of VOCs and up to two (2) other gases
Do not lift or handle the instrument by the black external
Temperature, %RH, pressure sensor housing!
to turn on the instrument then
Be sure to stand arms length from the instrument while taking measurement to
ensure that you are not affecting readings.
to turn Pump On/Off. When Pump is OFF, no sample is being made.
. When you turn the instrument on in clean ambient air, wait at least one (1)
minute to allow the monitor to warm up before carrying out the zero calibration. Zero Gas
Sensors: this will set the zero point of gases based on the clean ambient conditions.
execute a zero cycle of all the gas sensors. This procedure should last 30 seconds.
the exception of the CO
that is set to 20.9%.
the Si-AQ VOC Zero Filter filter into the Middle Sample In
"A" inlet at the bottom of the Si-AQ VOC and ensure that
the opening on the bottom end of the filter is not blocked.
Allow the unit to run with the filter connected for at least 30
seconds before continuing, this ensures that any potential
contaminants inside the unit are purged.
from the following list: CO, NO, CH
the Si-AQ VOC Zero Filter.
sensor) and sets them all to zero, except the Oxygen (O
2
) in Ambient Air, insert
2
O and H
S values based on the cleaned air using
2
2
to display measurements.
sensor up to 1 minute
2
)
2
)
2
)
2