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Model 9110T NOx Analyzer Getting Started
Teledyne Analytical Instruments 72
Zero/Span Open to ZERO AIR inlet 3 2
ZERO CAL
Sample/Cal Open to ZERO/SPAN Valve 1 2
Zero/Span Open to ZERO AIR inlet 3 2
SPAN CAL
Sample/Cal Open to ZERO/SPAN Valve 1 2
Zero/Span Open to SPAN inlet 1 2
3.3.2.6. Gas Conditioner Options
AMMONIA REMOVAL SAMPLE CONDITIONER (OPT 86A)
The 9110T includes a Nafion
®
permeation gas exchange tube to remove H
2
O a from the ozone generator
supply gas stream to a dew point of about -20° C (~600 ppm H
2
O) and effectively remove concentrations
of ammonia (NH
3
) up to about 1 ppm.
An additional Sample Conditioner can be added to the 9110T’s sample gas stream.
SAMPLE
PRESSURE
SENSOR
VACUUM
PRESSURE
SENSOR
O
3
FLOW
SENSOR
PMT
PERMAPURE
DRYER
EXHAUST MANIFOLD
NO/NO
X
VALVE
AUTOZERO
VALVE
Sample Gas
NH
3
Dryer/Scrubber
Figure 3-28: Pneumatics for Sample Conditioner OPT 86A
ZERO AIR SCRUBBER (OPT 86C), FOR Z/S VALVES