Application Notes, Tech Tips, and Other Documents

Posters, tech tips, and other documents that help you be more successful with the LI-7500A and LI-7500RS.

NEW! Logging sun-induced fluorescence, reflectance, and vegetation indices in EC datasets Instructions for using the JB Hyperspectral Devices RoX and FloX instruments with LI-COR eddy covariance systems. This enables you to log sun-induced fluorescence and reflectance parameters, as well as vegetation indices, in eddy covariance data sets. application note
The Importance of Water Vapor Measurements and Corrections This application note describes how water vapor influences the measurement of carbon dioxide by infrared gas analysis in several ways, which can lead to significant measurement errors. application note
Measuring Evapotranspiration with LI-COR Eddy Flux Systems Application note that describes measurement of evapotranspiration with LI-COR eddy covariance systems. application note
Communicating with LI-COR instruments using LabVIEW Basic instructions that describe how to communicate with LI-COR instruments using LabVIEW. Includes sample programs to read data. application note
Using the StarDot PhenoCam in Eddy Covariance Systems Instructions for installing and configuring the StarDot PhenoCam in eddy covariance systems install guide
Gas Analyzer Mounting Hardware Installation guide for hardware to mount gas analyzers and sonic anemometers to a tripod or tower. install guide
Head Cable Extension for the LI-7200 and LI-7200RS Technical Note about the 9972-032 extension cable for the LI-7200. install guide
SunWize Solar Power Supplies Instruction Manual Instruction manual for using SunWize solar power supplies with LI-COR equipment. manual
LI-7500A and LI-7500RS Open Path CO2/H2O Gas Analyzer Instruction Manual Instruction Manual for the LI-7500RS and LI-7500A. manual
New tools for a comprehensive time- and space-synchronized flux, weather, and soil optical sensor networks Poster presentation from the European Geophysical Union (2018) meeting that describes the integration of measurements across scales. poster
Field Examination of Low Temperature Control Setting for Mediating Surface Heating Effect in Open Path Fluxes Under Cold Conditions Poster describing the low temperature setting in the LI-7500A Open Path CO2/H2O analyzer. poster
Solution for Minimizing Surface Heating Effect for Fast Open-Path CO2 Flux Measurements in Cold Environments Poster describing new instrument temperature settings to minimize surface heating effects with the LI-7500A. poster
Comparison of CO2 and H2O Eddy Fluxes Derived from Density and from Mixing Ratio Measured by an Enclosed Gas Analyzer Poster comparing fluxes computed from density and mixing ratio. poster
Two New Low-power and Light-weight Solutions for Fast Measurements of CO2 and H2O Exchange Poster describing the LI-7500A and LI-7200 infrared gas analyzers for eddy covariance measurements. poster
LI-7500RS and SmartFlux 2 System Quick Start Guide Provides a broad overview of the setup process. quick start guide
Using the Sable Systems DG-4 to set the H2O span for LI-COR gas analyzers You can adjust the H2O span in many LI-COR gas analyzers with a dewpoint generated by the Sable Systems DG-4 Dewpoint Generator. This tech tip provides some details. tech tip
Fresh Data Every Morning This technical tip describes how to configure your Eddy Covariance System to automatically download data at a set time each day. tech tip
Daylight Savings Time This technical tip describes the impact on data collection from automatic implementation of Daylight Saving Time in the LI-7550 Analyzer Interface Unit. tech tip
Wiring RM Young Sonic Anemometer Analog Output to a LI-COR Eddy Covariance System Tech tip describes how to connect analog outputs from an RM Young anemometer to a LI-COR eddy covariance system. tech tip
Logging Analog Data from a CSAT3 This technical tip describes how to configure the Campbell Scientific CSAT3 sonic anemometer to log raw flux data into the .ghg file format for use with the LI-7200, LI-7200RS, LI-7500A, or LI-7500RS. tech tip
Choosing a USB Drive This technical tip gives some guidelines for choosing a USB flash drive for use with the LI-7550 Analyzer Control Unit. tech tip
Summer and Winter Settings This technical tip describes how and when to change the software setting for regulating the temperature of the chopper motor housing to ensure stable performance in changing weather. tech tip
How to Routinely Check an Eddy Covariance System to Ensure Normal Operation Tech tip that describes some practices that will keep your EC station up and running. tech tip
Interpreting Diagnostic Values This technical tip describes how to interpret the diagnostic bit values that are output by the LI-7200 and LI-7500A CO2/H2O Analyzers. tech tip
LI-7550 Software Versions Tech tip describing differences between LI-7550 software versions up to version 7.5 tech tip
Converting an LI-7700-enabled LI-7550 to LI-7500A/RS-enabled Tech tip that describes how to update the software in LI-7700 enabled LI-7550 boxes so the box is compatible with the LI-7500A/RS. tech tip
Using a Cradlepoint Modem with a LI-COR EC System This technical tip describes how to use a Cradlepoint modem to enable remote communications with LI-COR eddy covariance systems. tech tip
Uploading data files to Dropbox Instructions for configuring Dropbox® and LI-COR eddy covariance systems (win-GHG software) or the LI-8250 Multiplexer to automatically transfer data on schedule. tech tip
Troubleshooting Ethernet Connectivity Issues with LI-COR Gas Analyzers This document provides tips for connecting with network-enabled devices, including the LI-7500A/RS/DS, LI-7200/RS, and LI-7700. tech tip
Solar power supply considerations Describes how to determine the correct size of solar and battery power supply for an eddy covariance site. tech tip
Eddy Covariance Tower Mounting Hardware Considerations Technical note entitled 'Eddy Flux Tower Mounting Considerations and Suppliers'. technical note
Effects of temperature and pressure on CO2 infrared absorption with special emphasis on problems resulting from operation at high flow rates Article describing the effects of temperature and pressure on absorption of infrared energy by carbon dioxide. technical note
Effects of Temperature, Pressure, and Water Vapor on Gas Phase Infrared Absorption by CO2 Article that describes the effects of temperature, pressure, and water vapor on absorption of infrared energy by carbon dioxide. technical note
Using the LI-7550 Desiccant Pack This technical note describes how to use a desiccant pack kit (part number 7550-950) to prevent condensation from forming in the LI-7550 Analyzer Control Unit. technical note