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Quick Start Guide
as the "zero" calibration value. If the ambient air may contain
trace amounts of target gas or other gases (for example,
carbon monoxide from engine exhaust) that may interfere
with zeroing the device, then do the following:
36
a) Obtain a cylinder of verified clean air (H
or a cylinder of zero percent oxygen concentration
calibration gas (O
(PVC tubing, 3/16-in. ID, 5/16-in. OD).
b) Install a regulator on the clean air/known percent
oxygen content gas cylinder.
c) Attach a length of calibration tubing (PVC tubing, 3/16-
in. OD, 5/16-in. OD) from the regulator on the cylinder
to the IP filter on the bottom of the sensor.
) and a length of calibration tubing
2
May 2023
S and CO)
2
Emerson.com/Rosemount
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