Application Notes, Tech Tips, and Other Documents

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

Summary
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
Using the StarDot PhenoCam in Eddy Covariance Systems Instructions for installing and configuring the StarDot PhenoCam in eddy covariance systems install guide
Using Metek Multi-path Cage and Class-A sonic anemometers in eddy covariance systems Installation guide that describes how to connect a Metek Multi-path anemometer in LI-COR eddy covariance systems that use the SmartFlux 2 or 3 System. install guide
Using R.M. Young sonic anemometers in eddy covariance systems Installation guide that describes how to connect an R.M. Young anemometer in LI-COR eddy covariance systems that use the SmartFlux 2 or 3 System. install guide
Using Gill WindMaster and WindMaster Pro sonic anemometers in eddy covariance systems Installation guide that describes how to connect a Gill WindMaster or WindMaster Pro anemometer in LI-COR eddy covariance systems that use the SmartFlux 2 or 3 System. install guide
Using Campbell Scientific CSAT3 or CSAT3B sonic anemometers in eddy covariance systems Installation guide that describes how to connect a Campbell Scientific CSAT3 or CSAT3B anemometer in LI-COR eddy covariance systems that use the SmartFlux 2 or 3 System. install guide
Using Gill HS or R3 sonic anemometers in eddy covariance systems Installation guide that describes how to connect a Gill R3 or HS anemometer in LI-COR eddy covariance systems that use the SmartFlux 2 or 3 System. install guide
Installing the Gas Analyzer and Sonic Anemometer Mount Installation guide for the analyzer and sonic mount. Also describes how to adjust the orientation of the anemometer and analyzer and record this information into the site metadata. install guide
Gas Analyzer Mounting Hardware Installation guide for hardware to mount gas analyzers and sonic anemometers to a tripod or tower. install guide
Instruction Manual: Using the LI-7500DS and the SmartFlux 3 System Instruction manual for the LI-7500DS and the SmartFlux 3 System. Describes how to use the instrument in eddy covariance systems. manual
New Open-Path Low-Power CO2/H2O Flux Measurement System: Concentrations, Co-spectra and Fluxes Comparison with Established Models Poster presentation from the European Geophysical Union (2018) meeting that describes the performance of the LI-7500DS analyzer poster
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. Also applicable to the LI-7500RS and LI-7500DS.

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
NEW! LI-7500DS and SmartFlux 3 System 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. quick start guide
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. Also applicable to the LI-7500DS. 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. Also applicable to the LI-7500DS.

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
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
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