Operating Instructions

Table of Contents

1 Overview of the instrument

What’s what


Enclosures and accessories

Sonic anemometer cables and mounting hardware

2 Initial assembly

Preparing the gas analyzer

Preparing the enclosure

Preparing the SmartFlux System and network switch

Connecting component power wires

Connecting gas analyzer and flow module power wires

Connecting Ethernet cables

Connecting sonic anemometer data and power cables

3 Initial configuration

Configuring gas analyzer settings

Additional eddy covariance options

4 Field installation

Mounting the gas analyzer and sonic anemometer

Collect data on the setup

5 Configuring the eddy covariance system

Configuring the site setup

Begin logging data

Verifying flux computations

System diagnostics

Tips for success

6 Viewing and evaluating data

Logged data files

Viewing data in FluxSuite Software

Automatic file management

Copying data files from USB storage

Viewing raw logged data

Viewing processed data from the EddyPro output

Evaluating long-term data in Tovi® Software

7 EddyPro processing on the SmartFlux System
8 Troubleshooting

LI-7200/RS is identified as an LI-7500A/RS in the software interface

Gas analyzer will not power on or repeatedly powers on and off

Problems with the SmartFlux 2 System

SmartFlux Status server errors

Ethernet connection problems

Issues with gas analyzer measurements

Gas analyzer diagnostics

Diagnostics in EddyPro on the SmartFlux System

9 Maintenance

Cleaning the gas analyzer optical path

Replacing SmartFlux 2 System fuses

Replacing the LI-7550 fuses

Replacing the internal chemicals

Cleaning the 2-micron intake filter

Replacing the thermocouples

Flow module maintenance

Software updates

User calibration

10 Software reference

Connection options


Instrument information and data logging status

Instrument performance and connection status


Data display

Other software settings

11 Theory of operation
A Sonic anemometer connection options
B Specifications

Instruction Manuals

LI-7200RS and SmartFlux 2 System Quick Start Guide


Quick start guide provides a broad overview of the order to follow when setting up a system, as well as considerations for site maintenance and data management.

Using the LI-7200/RS Enclosed CO2/H2O Analyzer and the SmartFlux 2 System


Instruction manual for the LI-7200 and LI-7200RS Enclosed CO2/H2O Gas Analyzer with a flow module and SmartFlux 2 System.