Help and Documentation

Welcome to the LI-7500 Open Path CO2/H2O Analyzer help and documentation.

Manuals

LI-7500 CO2/H2O Analyzer Instruction Manual

Instruction Manual for the LI-7500.

Software

LI-7500 Open Path CO2/H2O Analyzer Instrument (Embedded) Software v3.0.1

Instrument (embedded) software for the LI-7500 Open Path CO2/H2O Analyzer.

LI-7500 Open Path CO2/H2O Analyzer Windows Interface Software v3.0.2

Windows interface software for the LI-7500 Open Path CO2/H2O Analyzer.

Videos

Frequently Asked Questions

All Documents

Summary

7500-600 LI-7500 Head Upgrade Kit instructions

Instructions for upgrading the LI-7500 sensor head to the LI-7500A.

install guide

LI-7500 CO2/H2O Analyzer Software Update Instructions for Instrument (embedded) and Windows Interface Software

Instructions for updating the instrument (embedded) and Windows interface software for the LI-7500 Open Path CO2/H2O Analyzer.

install guide

Solution for Minimizing Surface Heating Effects for Open Path CO2 Flux Measurements in Cold Environments

Poster describing how to minimize potential effects of surface heating in open path CO2/H2O analyzers.

poster

Additional Heat Flux Term in the WPL Correction for the Open-path Gas Analyzer

Poster describing an additional term in the WPL corrections that can correct for instrument-related heat dissipation.

poster

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.

publication

Effects of Temperature, Pressure, and Water Vapor on Gas Phase Infrared Absorbtion by CO2

Article that describes the effects of temperature, pressure, and water vapor on absorption of infrared energy by carbon dioxide.

publication

LI-7500 CO2/H2O Analyzer Communication Issues

Technical Note/FAQ about communication with the LI-7500.

tech tip

LI-7500A CO2/H2O Analyzer's Red LED Power Light Stays On

Technical Note/FAQ about problem with red LED power light not turning off on the LI-7500.

tech tip

Request Service and Recalibration

To request factory service or recalibration for a LI-COR instrument: Request Factory Service or Recalibration

Service will be performed at our US office in Lincoln, NE USA, European office (LI-COR Biosciences - GmbH), or by a distributor. To locate your country and designated point of contact click here.

Looking for a Calibration Certificate?