Application Notes, Tech Tips, and Other Documents

Summary
Using the Flash Analysis Application Note describing how to compare and optimize flash data from the LI-6800, LI-600, and the LI-6400/XT. application note
Measuring Canopy Gas Exchange This note describes how to measure gas exchange at the canopy level with the LI-6400/XT. application note
Modification of LI-6400/XT to Control Low CO2 Concentrations This note describes how to control low CO2 concentrations in the LI-6400/XT. application note
Interfacing Custom Chambers with the LI-6400/XT Sensor Head This note describes how to interface custom chambers to the LI-6400/XT sensor head. application note
Using the Whole Plant Arabidopsis Chamber This note describes how to use the 6400-17 Whole Plant Arabidopsis Chamber with the LI-6400/XT, including installation tips and experimental validation. application note
Using the RGB Light Source This note describes how to use the 6400-18A RGB Light Source. application note
Understanding and Correcting Diffusion Leaks in the Opaque Conifer Chamber and Clear Conifer Chamber This application note describes ways to address diffusion leaks in the Clear Conifer Chamber and the Opaque Conifer Chamber. application note
Estimating Light Absorptance in the Leaf Chamber Fluorometer Using an External Quantum Sensor This note describes how to estimate light used for photosynthesis using the fluorometer and a light sensor. application note
Battery Data Sheet A data sheet for the LI-6400/XT and LI-8100A batteries data sheet
6400-01 CO2 Source Assembly Installation Instructions for installing the CO2 source assembly. install guide
6400-02B LED Light Source installation instructions for the LI-6400/XT Instructions for installing the 6400-02B LED Light Source onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-05 Conifer Chamber installation instructions Instructions for installing the 6400-05 Conifer Chamber onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-06 PAM-2000 and 6400-10 MiniPam Adapter installation instructions Instructions for installing the 6400-06 PAM-2000 and 6400-10 MiniPAM Adapters from Walz onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-07 Needle Chamber installation instructions Instructions for installing the 6400-07 Needle Chamber onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-08 Standard Clear Chamber Bottom installation instructions Instructions for installing the 6400-08 Clear Chamber Bottom onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-11 Narrow Leaf Chamber Installation instructions for the LI-6400/XT narrow leaf chamber. install guide
6400-12 Coprocesser Installation Installation instructions for the coprocesser. install guide
6400-13 Thermcouple Adapter Installation instructions for the LI-6400/XT thermocouple adapter. install guide
6400-14 Opti-Sciences Fluorescence Probe Adapter installation instructions Instructions for installing the 6400-14 Opti-Sciences Probe Adapter onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-15 Arabidopsis Chamber Installation and Operational Instructions for the LI-6400/XT Portable Photosynthesis System Installation instructions for the 6400-15 Arabidopsis Chamber, for use with the LI-6400/XT Portable Photosynthesis System. install guide
6400-17 Whole Plant Arabidopsis Chamber installation and operational instructions Instructions for installing the 6400-17 Whole Plant Arabidopsis Chamber onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-18 RGB Light Source installation and operational instructions Instructions for installing the 6400-18 RGB Light Source onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-22 Opaque Conifer Chamber installation instructions Instructions for installing the 6400-22 Opaque Conifer Chamber onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-24 Bryophyte Chamber installation and operational instructions Instructions for installing the 6400-24 Bryophyte Chamber onto the LI-6400/XT Portable Photosynthesis System. install guide
6400-34 Needle Holder Kit The 6400-34 Needle Holder Kit can be used with LI-6400/XT leaf chambers to measure conifer needles.  The needle holders can be used with the Needle chamber and Clear Bottom chamber. install guide
6400-37 Thick Gasket Kit Instructions for the LI-6400/XT thick gasket kit. install guide
6400-88 Expanded Temperature Control Kit installation instructions Instructions for installing the 6400-88 Expanded Temperature Kit onto the LI-6400/XT sensor head to expand the range of temperature control. install guide
6400-89 Insect Respiration Chamber installation and operational instructions Instructions for using the 6400-89 Insect Respiration Chamber with the LI-6400/XT Portable Photosynthesis System. install guide
6400-903 Catch Rod Repair Kit installation instructions Instructions for replacing the catch rod in the LI-6400/XT sensor head handle. install guide
6400-904 Log Switch replacement instructions Instructions for replacing the log switch on the LI-6400/XT sensor head handle. install guide
6400-906 Memory Board upgrade Instructions for replacing the 6400-906 Memory Board in the LI-6400/XT console. install guide
6400-907 Air Pump Replacement Instructions Instructions for replacing the air pump. install guide
6400-915 Digital Board Upgrade Instructions for replacing the digital board in the LI-6400/XT Portable Photosynthesis System. install guide
6400-926 Digital Board Upgrade Instructions for replacing the digital board in the LI-6400/XT Portable Photosynthesis System, converting the instrument to an LI-6400/XT. install guide
6400-928 Flow Restrictor Field Kit installation instructions Instructions for replacing the flow restrictor in the 6400-01 CO2 Injector. install guide
9964-102 Air Passage Spacer Installation instructions for the 9964-102 Air Passage Spacer, which is required on older instruments (serial numbers less than PPS-1961) to ensure a good seal on the sensor head bottom leaf chamber. install guide
Air Pump Replacement Instructions Instructions for replacing the 6400-931 air pump in the LI-6400/XT console. install guide
CO2 Tank Connector Block Installation instructions for the 9964-033 CO2 Tank Connector Block, for situations where a CO2 source of longer duration than can be provided by the CO2 mini-cartridges is needed. install guide
Dark Adapting Clip Kit Installation instructions for the LI-6400/XT dark adapting clip. install guide
Mixing Fan Replacement Instructions Instructions for replacing the LI-6400/XT Mixing Fan. install guide
Propafilm Leaf Chamber Covering Installation guide to replace the propafilm on the leaf chamber. install guide
Sample Cell Outlet Manifold Kit Installation instructions for the LI-6400/XT sample cell outlet kit. install guide
Scrubber/Desiccant Tube Assembly Tubing Replacement instructions Instructions for replacing the flow tubing (p/n 222-00302) in the scrubber and desiccant tube if it becomes pinched or clogged with debris. install guide
CO2 Source Assembly Replacement Instructions for installing the CO2 source assembly. install guide
Using the 8100-664 Trace Gas Sampling Kit Instructions for assembling the Trace Gas Sampling Kit for use with the LI-6400/XT. Measurement instructions are included in the full PDF app note. install guide
Peltier Cooler Kit Installation instructions for the Peltier cooler kit. install guide
Thermocouple Adapter Installation guide for the thermocouple adapter. install guide
Using the LI-6400/XT, Instruction manual for OPEN software version 6.2.x Instruction manual for the LI-6400/XT Portable Photosynthesis System, software version 6.2.x and above. manual
Using the LI-6400/XT, Instruction manual for OPEN software version 5 Instruction manual for the LI-6400/XT Portable Photosynthesis System, software version 5.3. manual
Using the LI-6400/XT, Instruction manual for OPEN software version 4 Instruction manual for the LI-6400/XT Portable Photosynthesis System, software version 4. manual
Comparison of Two Systems for Measuring Soil CO2 Flux: The LI-6400/XT and LI-8100A Poster describing differences between the LI-8100A and LI-6400/XT for measuring CO2 flux from soils. poster
Correcting for Changes in O2 Concentration in the LI-6400/XT Photosynthesis System Poster describing how to address changes in O2 concentrations. poster
Determination of Maximal Chlorophyll Fluorescence Using a Multiphase Single Flash of Sub-Saturating Intensity Poster describing multiphase flash to measure maximum fluorescence yield. poster
Determination of Maximal Chlorophyll Fluorescence Using a Multiphase Single Flash of Sub-Saturating Intensity Poster entitled "Determination of Maximal Chlorophyll Fluorescence Using a Multiphase Single Flash of Sub-Saturating Intensity". poster
Measurements of Soil CO2 Flux Poster describing how to measure soil CO2 flux with the LI-6400/XT system. poster
Novel Red, Green, Blue LED Light Source and Whole Plant Arabidopsis Chamber to Asses Small Plants Poster describing the red, green, and blue light source and whole-plant Arabidopsis chamber. poster
Photosynthetic Assessment of Small Plants Using Red, Green, Blue LED Light Source and Whole Plant Arabidopsis Chamber Poster describing the red, green, and blue light source and whole-plant Arabidopsis chamber. poster
Soil CO2 Flux Measurements: Theory and Comparison Between the LI-6400/XT and LI-8100A Poster describing differences between soil gas flux measurements made with the LI-8100 and LI-6400/XT. 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 Absorption by CO2 Article that describes the effects of temperature, pressure, and water vapor on absorption of infrared energy by carbon dioxide. publication
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
Clearing Storage Space from the File System If the file system gets too full, you may have trouble working with files. This tip presents some solutions to the problem. tech tip
Downloading Data Using an RS-232 Serial Connection This Tech Tip describes how to download data from the LI-6400/XT using serial a connection. tech tip
Checking the Leaf Fan There are several ways to test for a failed or stuck mixing fan. This tech tip goes through the steps of diagnosing fan issues. tech tip
‘Drieing’ Your Drierite the ‘Rite’ Way For the LI-6400/XT Portable Photosynthesis System This technical tip describes how to regenerate Drierite after it has been exhausted, for re-use with the scrubber tubes on the LI-6400/XT or other gas analyzers. tech tip
Calculating Irregular Leaf Area with the LI-6400/XT This technical tip describes how to calculate irregular leaf areas, when the leaf doesn't cover the entire leaf chamber aperture on the LI-6400/XT. tech tip
Connecting a Soil Moisture Probe to the LI-6400/XT This technical tip describes how to connect a Decagon EC-5 soil moisture probe to the LI-6400/XT Portable Photosynthesis System. tech tip
Dealing with Large, Moist Samples This technical tip describes how to deal with high humidities when measuring large, moist samples in the Bryophyte and/or Conifer chambers on the LI-6400/XT. tech tip
Faster Field Measurements of Asat This technical tip describes how to make faster field measurements of the light-saturated rate of net CO2 fixation under ambient conditions (Asat) with the LI-6400/XT. tech tip
Leaf Chamber Gasket Replacement This technical tip describes how to replace the leaf chamber gaskets on the LI-6400/XT sensor head. tech tip
Align Small Blades of Grass or Needles This Tech Tip describes how to align small blades of grass or needles and keep them in place in the LI-6400/XT standard leaf chamber. tech tip
LI-6400/XT Shipping Recommendations This Tech Tip describes how to package the LI-6400/XT for shipping. tech tip
LI-6400/XT Swap Meet This tech tip describes the LI-6400/XT components that can interchanged safely, as well as those that must be used together due to matching electronic components. tech tip
Look Ma, No Wires! This technical tip describes how to incorporate wireless network connectivity into the LI-6400/XT, using a wireless router. tech tip
Making a Stand for the LI-6400/XT This technical tip shows how you can make a simple wooden stand for your LI-6400/XT. Includes dimensions and example photos. tech tip
Match Valve Mismatch This technical tip describes how you can determine if the match valve on the LI-6400/XT sensor head is working properly. tech tip
Replacing the LI-6400/XT Battery Connector This technical tip describes how to replace the battery connector on the LI-6400/XT console. tech tip
Setting the Height of the LI-6400/XT Thermocouple This technical tip describes the proper positioning of the 6400-04 leaf temperature thermocouple in relation to the leaf chamber, for the LI-6400/XT Portable Photosynthesis System. tech tip
Solving an Oily Problem This technical tip describes how to use CO2 cartridges in the 6400-01 CO2 Injector that were not purchased from LI-COR. tech tip
When Ambient H2O is not Leaf Chamber H2O This technical tip describes how to maintain the proper relative humidity in the LI-6400/XT leaf chamber to allow the plant to compensate for the loss of humidity due to removal of the boundary layer. tech tip
Wireless Connectivity with the LI-6400/XT This technical tip describes how to incorporate wireless network connectivity into the LI-6400/XT using a wireless router. tech tip
Where's my Serial Port? This technical tip describes how to use a Serial-to-USB adapter to connect your computer to a LI-COR instrument, for those computers that lack a serial port. tech tip
CO2 Cartridges for the LI-6400/XT and LI-6800 This technical tip describes the best CO2 cartridges to use and provides some tips for their use. tech tip
Software for Fitting Photosynthetic CO2 or Light Response Curves This tip lists some software that is commonly used for fitting CO2 and light response curves. tech tip
Measuring Photorespiration with the LI-6400/XT System This tip describes some important considerations for measuring photorespiration using the LI-6400/XT. tech tip
Recomputing LI-6400/XT data sets How to recompute measurements collected with older software versions tech tip
Making one-sided measurements This tip describes how to make measurements from one side of a leaf. tech tip
Using external sensors with the LI-6400/XT This technical note describes how to connect external sensors to the LI-6400/XT auxiliary connector. technical note
Scrubbing Chemicals in LI-COR Gas Analyzers Note describing a change in chemical scrubbers used in gas analyzers. technical note
Comparing a the Effect of a CO2 Controller and Buffer Volumes when making Respiration Measurements Technical note that describes the effect of a CO2 controller compared to buffer volumes of different sizes. technical note