Support: Discontinued Products

LI-250 Light Meter Instruction Manual

Operating instructions for the original LI-250 Light Meter, updated in 1996.

LI-COR Air Pump Diaphragm Replacement Instructions for the LI-670 Flow Control Unit

Air pump diaphragm replacement instructions for the LI-670 Flow Control Unit.

LI-800 GasHound Instruction Manual Addendum

LI-800 Gashound Manual Addendum.

Installation Instructions for GasHound Model LI-800 Software Version 1.7

Instructions for installing the version 1.7 software update for the LI-800 Gashound.

Air Pumps and Accessories for LI-COR Gas Analyzers: Suggested Parts and Vendors

Suggested parts and vendors for air pumps and other accessories needed to flush the sample cells of many LI-COR closed-path gas analyzers.

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.

FAQ about the LI-800 Source, Dectector, and Optical Path

FAQ about replacing the source/detector and optical path in the LI-800 Gashound.

LI-800 Gashound Source/Detector Replacement Instructions

Instructions for replacing the source and detector in the LI-800 Gashound.

Measuring pCO₂ and Dissolved Inorganic Carbonates in Water

Application note that describes how to use LI-COR analyzers in systems that measure the partial pressure of CO₂ (pCO₂) and dissolved organic carbonates in water.

Measuring Pressure Out of the DACs on the LI-800 CO₂ Analyzer

Frequently asked questions about measuring pressure with the LI-800 CO₂ Analyzer.

Source, Detector, and Optical Path Replacement Instructions

Instructions for replacing the source, detector, and optical path in the LI-800, LI-820, LI-840, and LI-8100A gas analyzers.

LI-1600 Steady State Porometer Instruction Manual

Instruction manual for the LI-1600 Steady State Porometer.

LI-1600 Steady State Porometer Service Manual

Service manual for the LI-1600 Steady State Porometer.

Sources of Error in the Estimation of Stomatal Conductance and Transpiration from Porometer Data

This application note describes common sources of errors in conductance estimates when using porometers.

LI-3000 Portable Area Meter Instruction Manual

Instruction manual for the legacy LI-3000 Portable Area Meter.

LI-3000 Portable Area Meter Service Manual

Service manual for the LI-3000€…Portable Leaf Area€…Meter.

LI-3000A Service Manual

Service manual for the LI-3000A Portable Leaf Area Meter and 3000A-01 Readout Console.

LI-3000A Portable Area Meter Brochure

Brochure for the LI-3000A Portable Leaf Area Meter.

LI-3000A Portable Leaf Area Meter Communications with HyperTerminal

This technical tip describes how to communicate and download data from the LI-3000A Leaf Area Meter to a computer using HyperTerminal.

LI-3100 Area Meter Instruction Manual

LI-3100 Area Meter instruction manual.

LI-3100 Area Meter Service Manual

Service manual for the LI-3100 Area Meter.

6000-01 Gas Calibration Cylinder instruction manual

Instruction manual for the 6000-01 Gas Calibration Cylinder.

6000-09 Soil Respiration Chamber instruction manual

Instruction manual for the 6000-09 Soil Respiration Chamber.

6000-16 Chamber Fan

Information about the 6000-16 replacement chamber fan for the 6000-10 Four Liter Chamber.

C6000 Program Instructions

The C6000 program recalculates LI-6000 data pages using the LI-6200 equation set to provide more reliable estimates of photosynthesis and conductance.

6200-25 User Guide for the LI-6200 Portable Photosynthesis System

Manual for the legacy LI-6200 Portable Photosynthesis System computer software.

A Protocol for Measuring Assimilation Rate versus Internal CO₂ Concentration Using the LI-6200

Application note for the LI-6200 Portable Photosynthesis System entitled 'A Protocol for Measuring Assimilation Rate vs Internal CO₂ Concentration Using the LI-6200'.

LI-6200 Condensed Reference Manual

LI-6200 Portable Photosynthesis System condensed reference manual for software version 2.0.

LI-6200 Portable Photosynthesis System Communications with HyperTerminal

This FAQ explains how to communicate and send data from the LI-6200 using the HyperTerminal program.

LI-6200 Pump Diaphragm Replacement

Instructions for replacing the diaphragm of the LI-6200 pump.

LI-6200 Technical Reference

Technical reference manual for the LI-6200 Portable Photosynthesis System.

Measuring Small Volumes of CO₂ with the LI-COR LI-6200 System

Application note for the LI-6200 Portable Photosynthesis System entitled 'Measuring Small Volumes of CO₂ with the LI-COR LI-6200 System'.

Modifying the LI-6200 for Measuring High CO₂ Concentrations and High Soil CO₂ Fluxes

This application note describes a simple modification which makes it possible to use the LI-6200 system for measuring absolute CO₂ concentrations in the range of 0 to about 15,000 ppm with an accuracy of about 1%.

Scrubbing Chemicals in LI-COR Gas Analyzers

Note describing a change in chemical scrubbers used in gas analyzers.

Revisiting the LI-6200 Equations

This application note describes the effect of errors in the equation derivations implemented in the LI-6200 under conditions of rapidly changing chamber humidity and low net carbon exchange.