Campbell Scientific AP200 CO2/H2O Atmospheric Profile System - Manual (Page 22)

AP200 CO
2
/H
2
O Atmospheric Profile System
CR1000 in the AP200. The apps support field maintenance tasks such as
viewing and collecting data, setting the clock, and downloading programs.
4.1.6 Replacement Parts
Syringe Filter: Intake assemblies shipped after August 2013 use a syringe
filter with Luer lock connections. The filter is an in-line 2.5-cm (1.0-in)
diameter, PTFE membrane filter (FIGURE 4-12) of 3-micron pore size. It is
used to replace dirty filter elements in the AP200 intake assembly and is
available as pn 29998.
FIGURE 4-12. Syringe filter of current AP200 intake assembly
Disk Filter: Intake assemblies shipped prior to August 2013 used a different
filter, pn 27809. This filter is a 2.5-cm (1.0-in) diameter, sintered stainless
steel disk filter (FIGURE 4-13) of 10-micron pore size. It is used to replace
dirty filter elements in the AP200 intake assembly.
FIGURE 4-13. Disk filter of early AP200 intake assembly
Silica Desiccant Bags: The 4905 Single 4-unit Silica Desiccant Bag (FIGURE
4-14) is used to desiccate the AP200 system enclosure and should be
periodically replaced. The 4905 can be purchased in quantities of 20 as pn
6714.
FIGURE 4-14. Single desiccant pack
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