Campbell Scientific CPEC200 Closed-Path Eddy-Covariance System - Manual (Page 12)

CPEC200 Closed-Path Eddy-Covariance System
o Do not overtighten the tube fittings. Consult Appendix E, Using
Swagelok ® Fittings, for information on proper connection.
o The CPEC200 power source should be designed thoughtfully to
ensure uninterrupted power. If needed, contact a Campbell
Scientific applications engineer for assistance.
o Retain all spare caps and plugs as these are required when
shipping or storing the CPEC200 system.
3. Initial Inspection
Upon receipt of the CPEC200, inspect the packaging and contents for damage.
File damage claims with the shipping company.
Model numbers are found on each product. On cables, the model number is
usually found at the connection end of the cable. Check this information
against the enclosed shipping documents to verify the expected products and
the correct lengths of cable are included.
4. Overview
The CPEC200 is a closed-path EC flux system used for long-term monitoring
of atmosphere–biosphere exchanges of carbon dioxide, water vapor, heat, and
momentum.
4.1 System Components
The CPEC200 consists of several components, some of which are optional.
Some additional accessories are required to complete a fully functioning
CPEC200 system and are described and illustrated in the sections that follow.
4.1.1 Standard Components
Standard with the CPEC200 are the CPEC200 system enclosure, EC155 gas
analyzer, EC100 electronics, and CPEC200 pump module.
4.1.1.1 EC155 Gas Analyzer
The EC155 is a closed-path, infrared CO
2
/H
2
O gas analyzer. It shares
integrated electronics (EC100 electronics) with the CSAT3A sonic
anemometer head. For detailed information and specifications, see the EC155
manual at www.campbellsci.com . The EC155, as shown in FIGURE 4-1, is an
included part of the CPEC200 system.
FIGURE 4-1. EC155 closed-path CO2/H2O gas analyzer
2