Portable photosynthesis systems for gas exchange and chlorophyll fluorescence measurements The world’s leading photosynthesis systems for learning, teaching, and performing high-level plant physiology research.


LI-6800 Portable Photosynthesis System

The new Rapid Sensing™ Technology makes the LI-6800 the most technologically advanced photosynthesis system in the world. With the multiphase flash fluorometer, increased portability, and a user-friendly interface your measurements are faster and more precise.

The LI-6800 can complete a survey measurement in under a minute, with batteries that last all day. A large touchscreen display shows informative, full color plots that help you track the progress of each measurement. On-screen messages alert you to issues so you can collect consistent, high quality data.

The LI-6800 is fast and dependable. It is ready to collect high-quality data wherever your research takes you.

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LI-6800 Chambers and Light Sources

There are a range of different chambers that can be viewed here.


Multiphase Flash Fluorometer

The Multiphase Flash™ Fluorometer (6800-01A) is a combined light source and chamber for simultaneous measurements of gas exchange and chlorophyll a fluorescence from the same leaf area.

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Clear-top Chamber

The Clear-top Chamber (6800-12A) has a transparent top for gas exchange measurements using ambient light.

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Large Light Source (6x6 cm)

The Large Light Source (6800-03) provides irradiance with independently

controlled red, green, blue, and white light (up to 2400, 1000, 2000, and 1500 μmol m-2 s-1 respectively).

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LI-6400XT Portable Photosynthesis System

The most referenced photosynthesis system in peer-reviewed literature, the LI-6400/XT has helped researchers reveal the secrets of photosynthesis for over 20 years. We continue to service and provide chambers, light sources, service, and support for LI-6400/XTs.

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World-leading instruments for dependable measurements. Knowledgeable local service and support in LI-COR ® instrumentation for our NZ customers.

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