1. interior of ap200 system enclosure, 2. side view of ap200 intake assembly – Campbell Scientific AP200 CO2/H2O Atmospheric Profile System User Manual
Page 15
AP200 CO
2
/H
2
O Atmospheric Profile System
FIGURE 4-1. Interior of AP200 system enclosure
The AP200 intake assembly (pn 27693) includes an orifice to set the flow rate,
a filter that removes particulates, and a rain diverter to admit a sample of
ambient air without allowing precipitation to enter. The rain diverter is heated
to prevent condensation. The intake assembly includes a mixing volume to
dampen fluctuations in ambient concentrations of CO
2
and H
2
O. The closed
intake assembly is shown in FIGURE 4-2.
FIGURE 4-2. Side view of AP200 intake assembly
3
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