Hansatech Handy-PEA

The Handy PEA chlorophyll fluorimeter consists of a compact, light-weight control unit encapsulating sophisticated electronics providing the high time resolution essential in performing measurements of fast chlorophyll fluorescence induction kinetics.
  • Details

    • Handy-PEA is a compact, highly portable continuous-excitation type chlorophyll fluorescence analyzer.
    • The rugged yet lightweight design makes Handy-PEA particularly suitable for rapid, large scale screening of samples in the field or greenhouse in both research and teaching applications.
    • Handy-PEA utilizes the continuous excitation fluorescence measurement principle.
    • High time resolution (100KHz initial sampling rate) electronics and saturating levels of illumination (3000µmol m-2 s-1) permit accurate monitoring of the time dependent fluorescence induction kinetics observed when a sample is strongly illuminated after a period in darkness (Kautsky effect).
    • Typical measurements take only 1 second, providing a very high throughput capability for large scale screening of samples.
    • Handy-PEA offers a high degree of measurement flexibility for research applications involving longer duration measurements or pre-programmed user-defined multi flash protocols.
    • Weight - 565gms
    • Battery - 3 rechargeable (Ni-MH) 3.6V 1.8Ahr.
    • Battery Life - Typically 8 - 9 hours when performing 1 second recordings at 120 measurements/hr.
    • Integral switch mode battery charger 8-13.5V input (nominal 12V input)
    • Display - 8 line x 20 character LCD display.
    • Illumination -Focused array of ultra-bright red LED's with NIR short pass cut-off filters.
    • Peak wavelength 650 nm.
    • Spectral-line half width 22 nm.
    • Max. intensity at leaf surface >3000µmol m-2 s-1.
    • Detector - Fast response PIN photodiode with RG9 long pass filter.
    • Electronics - 16 bit microprocessor, 12 bit resolution, A/D 10µsec acquisition rate, 8 bit DAC for light source control, real time clock.
    • Record Length - 0.1 - 300 seconds
    • Memory - 512K battery backed RAM (sufficient for up to 1000 one second duration recordings with full trace data).

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