The new system represents the largest WALZ Imaging System available.

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The portable cuvette system WATER-PAM-II belongs to the group of WALZ PAM fluorometers for aquatic research.

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High Quality Instrumentation for Plant Sciences

Combining innovation and tradition have made the Heinz Walz GmbH one of the world’s top producers of photosynthesis measuring systems.


High-end systems for 2D and 3D imaging of chlorophyll fluorescence from the microscopic to the leaf level.

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The MICRO-PAM is one of the WALZ systems designed for long-term monitoring of photosynthesis.

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The DUAL-KLAS-NIR is an example of WALZ devices developed for basic research.

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Meetings & News

Upcoming Meetings

June 04 - 09, 2023
ASLO Aquatic Sciences Meeting 2023
Palma de Mallorca, Spain

June 14 - 16, 2023
XXV Conference AIAM 2023
Matera, Italy

July 03 - 09, 2023
Photosynthesis and Hydrogen Energy Research for Sustainability – 2023
Istanbul, Turkey

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Latest publication
Dr. U. Schreiber - 2023

In the 2023 article of Ulrich Schreiber in Photosynthesis Research the reader gets more information about the presence and role of variable photosystem I fluorescence. Using the full potential of the MULTI-COLOR-PAM, he dissects again the O-I1-I2-P kinetics of saturation pulses.

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MICRO-PAM: Amber Measuring Head now available

The scope of MICRO-PAM systems has been extended by the newly developed measuring head with amber LED, the MICRO-HEAD/3A. The emission properties of the novel PAM fluorometer is particularly suited to probe cyanobacterial mats and lichens, or crusts containing cyanobacteria.

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