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Multiphase Flash™ Fluorometer

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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. Choose a 6-cm2 or 2-cm2 leaf area by swapping interchangeable apertures.

The light source includes a Pulse Amplitude Modulated (PAM) fluorometer, which provides a highly uniform light field over the leaf surface. Capable of saturation flash intensities up to 16,000 µmol m-2 s-1the fluorometer measures dark-adapted (Fo, Fm, Fv/Fm) and light-adapted (Fs, Fm’, Fo’, ETR) parameters, as well as induction kinetics (OJIP). Supports the Multiphase Flash Fluorescence protocol to accurately extrapolate Fm’ in leaves that are difficult to light saturate.

 

Specifications

  • Modulated Light: Software controlled and software selectable frequencies of 1 Hz – 250 kHz
  • Measuring Light Peak Wavelength: 625 nm
  • Red Actinic and Saturating Flash Peak Wavelength: 625 nm
  • Blue Actinic Peak Wavelength: 475 nm
  • Far-red Peak Wavelength: 735 nm
  • Actinic Light Output:
    • 0 – 3000 µmol m-2 s-1 total at 25 °C
    • 0 – 1000 µmol m-2 s-1 blue at 25 °C
    • 0 – 2000 µmol m-2 s-1 red at 25 °C
  • Saturation Light: Software controlled intensity; 0 – 16,000 µmol m-2 s-1 at 25 °C
  • Far-red Light: Software controlled intensity; 0 – 20 µmol m-2 s-1 at 25 °C
  • Fluorescence Signal Temperature Dependence: -0.25% per °C
  • Uniformity:
    • <±10% over 92% of the aperture with white top gasket
    • <±10% over 90% of the aperture with black top gasket
  • Power Consumption:
    • <18 W at 25 °C with 3000 µmol m-2 s-1 actinic light
    • <60 W at 25 °C with 16,000 µmol m-2 s-1 saturating flash
  • Leaf Area: 6 cm2 or 2 cm2; Round apertures
  • Size: 16.6 x 11.5 x 13.6 cm (L x W x H)
  • Weight: 0.86 kg

Specifications subject to change without notice.

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