Sample Draw/Data Logger– Manual
CO2Meter.com
Rev. 27 October 2014
Pg. 12 of 15
to
capture
these
values
before
opening
the
configuration
screen.
Real
‐
time
capture
Performing an Atmospheric Span Calibration
1.
Allow
sensor
to
stabilize
for
at
least
1
hour
2.
Ensure
the
sensor
is
exposed
to
fresh
air
or
calibrate
gas
20.9%
O2
3.
Press
Span
to
perform
the
atmospheric
calibration
Performing a 0% O2 Zero Point Calibration
1.
Allow
sensor
to
stabilize
for
at
least
1
hour
2.
Apply
N2
calibration
gas
3.
Wait
5
minutes
for
stable
readings
4.
Zero
to
calibrate
