Campbell-scientific CPEC200 Closed-Path Eddy-Covariance System Manuel d'utilisateur télécharger pdf (Page 11)

CPEC200 Closed-Path Eddy-Covariance

System

1. Introduction

The CPEC200 is a closed-path, eddy-covariance (EC) flux system used for

long-term monitoring of atmosphere–biosphere exchanges of carbon dioxide,

water vapor, heat, and momentum. This complete, turn-key system includes a

closed-path gas analyzer (EC155), a sonic anemometer head (CSAT3A),

datalogger (CR3000), sample pump, and optional valve module for automated

zero and span.

Before using the CPEC200, please study:

• Section 2, Cautionary Statements

• Section 3, Initial Inspection

• Section 5, Installation

Operational instructions critical to the preservation of the system are found

throughout this manual. Before using the CPEC200, please study the entire

manual. Further information pertaining to the CPEC200 can be found in the

Campbell Scientific publications EC155 CO

and H

O Closed-Path Gas

Analyzer Manual, available at www.campbellsci.com.

Other manuals that may be helpful include:

• CR3000 Micrologger Operator’s Manual

• CFM100 CompactFlash® Module Instruction Manual

• NL115 Ethernet and CompactFlash® Module Instruction Manual

• Application Note 3SM-F, PC/CF Card Information

• LoggerNet Instruction Manual

• ENC10/12, ENC12/14, ENC14/16, ENC16/18 Instruction Manual

• CM106 Tripod Instruction Manual

• Tripod Installation Manual Models CM110, CM115, CM120

• CSAT3 Three Dimensional Sonic Anemometer Manual

This user manual applies specifically to version 2.0 of the

CPEC200 CRBasic program.

2. Cautionary Statements

• WARNING:

o Do not connect or disconnect the EC155 gas analyzer head or the

CSAT3A sonic anemometer head from the EC100 electronics

while the EC100 is powered. Doing so can result in

unpredictable performance of the system or damage to the

instrument head.

o Grounding electrical components in the measurement system is

critical. Proper earth (chassis) grounding will ensure maximum

electrostatic discharge (ESD) protection and higher measurement

accuracy.

o Use care when connecting and disconnecting tube fittings to

avoid introducing dust or other contaminants.

NOTE

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