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DUALEX by Pessl Instruments
SHORT USER MANUAL
Thank you for choosing our Dualex product. Our Dualex device is a
hand-tool leaf-clip combining the use of fluorescence and a light
transmission of a leaf to determine its physiological state.
Additionally, this sensors is adapted to determine the flavonol content
of the leaf by measuring the optical absorbance of the epidermis in the
ultraviolet (UV) optical range through the differential measurement of
the chlorophyll content of the leaf by using different wavelengths in
the RED and in the NIR.

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Summary of Contents for Pessl Instruments DUALEX

  • Page 1 DUALEX by Pessl Instruments SHORT USER MANUAL Thank you for choosing our Dualex product. Our Dualex device is a hand-tool leaf-clip combining the use of fluorescence and a light transmission of a leaf to determine its physiological state. Additionally, this sensors is adapted to determine the flavonol content...
  • Page 2 UV radiation ● pathogen susceptibility ● variety selection ● YOUR DUALEX The Dualex is delivered in a case which consists of the Dualex device leaf-clip, a USB Cable and a user manual. The Dualex device operates on an internal rechargeable battery.
  • Page 3: Taking A Measurement

    TAKING A MEASUREMENT To start using your Dualex device, press the power button. A beep and a welcome screen with the Pessl Logo displays shortly and then is the main menu as shown below.
  • Page 4 GET YOUR MEASURED VALUES Measured values can be read from the screen on the Dualex device and the stored measurements can be obtained from the internal storage. To access the measurement file the device needs to be connected to the PC using the USB cable. For more information, file definition and...
  • Page 5: Technical Specifications

    205 mm x 65 mm x 55 mm Positioning Internal GPS Relative accuracy < 2.5 m (CEP, 50%, 24 static) Languages English, French, Spanish, German Safety Ring for leash *Warning: as Pessl Instruments is continuously improving its products, technical specifications are subject to change without notice.
  • Page 6 User notes: Pessl Instruments GmbH Werksweg 107, 8160 Weiz, Austria office@metos.at +43 317 255 21 Visit metos.at/terms-of-use/ to view  legal information for Pessl Instruments  products and services.