HEXAGON-IMAGING-PAM Chlorophyll Fluorescence System
The HEXAGON-IMAGING-PAM represents the largest Walz Imaging System available. Despite the large measuring area, the instrument is still flexible enough to measure a wide variety of samples. These include individually potted plants, seedlings in larger plant trays, or harvested samples of higher or lower plants.
It can measure areas of 20 x 24 cm with a resolution of up to 1000 x 1200 px (2×2 binning), according to the PAM principle with highest accuracy.
In contrast to the significantly smaller MAXI Imaging System, the HEXAGON-IMAGING-PAM offers 4 times the measuring area of the smaller MAXI-IMAGING-PAM and up to 1.2 MP image resolution (binning switched off).
This high resolution results in a pixel size of 100 x 100 µm.
During the design process, we placed special emphasis on the shadow-free, uniform illumination of the measuring area and designed the cooling of the panels very efficiently for a long service life of the LEDs.
The HEXAGON-IMAGING-PAM can now also be used to determine the Fo’ value of the samples under investigation. For this purpose, the instrument has an additional, dual-circuit far-red LED panel with which FR light and also FR light with a higher red component can be very finely dosed.
The name HEXAGON-IMAGING-PAM is derived from the shape of the individual panels that make up the main panel. The chosen shape offers the best possibility to achieve the ideal illumination of the sample area. Smaller hexagon shaped panel sub-units allow better compensation of LED imbalances to achieve even more reproducible results.
In the HEXAGON-IMAGING-PAM, the control electronics are integrated into the measuring head so that, despite the large measuring surface, a quite compact device is available.
Outstanding Properties of the HEXAGON-IMAGING-PAM
Homogeneous illumination of measured area
Image resolution up to 1,2 MP (2×2 pixel binning)
Large variety of possible sample morphologies
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