3600 Analyzer for O
2
Measurement—Operator’s Manual 57
3600O2.OM.E9903
The stainless steel tubing is usually sufficient to hold the assembly firmly in place,
although a user-supplied U-bolt can mount it to a permanent fixture. The sensor
with flow chamber occupies a volume 210 mm high and 50 mm across and deep.
An extra 100 mm should be included for sensor cable access as well. The flow
chamber/sensor assembly should be mounted either vertically or horizontally,
under these conditions:
Sample Flow Chamber Orientation
Gaseous Vertically (sensor uppermost)
Gaseous, with occasional liquid or vapor Horizontally, with outlet valve under inlet, to
allow for drainage
Liquid Vertically (sensor uppermost)
The diagram below shows how to introduce, if required, both span gas and normal
sample media to the flow chamber. “A” and “B” represent 3-way valves.
Calibration gas is sent in through the sample “out” port and waste gas is sent out
through the sample “in” port, as shown (left). Back in normal operation (right), the
calibration gas inlets and outlets are shut off.
Model 32001 flow chamber installation, with provision for calibration
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