Do you have a question about the DUALEX SCIENTIFIC+ and is the answer not in the manual?
Questions and answers
Edwin Antonio Gutierrez
April 18, 2025
Hi
We are preparing an extension document at the Bruce Shafer Laboratory, University of Florida, to showcase the dualex sensors used in plants measurement. May we use the pictures from your website? If so, could you please provide written authorization?
Thank you!
6) USB Interface that allows to download data, to upgrade the software and to charge the DUALEX SCIENTIFIC+™ unit. 7) The wrist-strap must be tied to the DUALEX SCIENTIFIC+™ unit in order to avoid the fall of the device. FORCE-A User’s manual v.3.1...
Scientific leaf-clip, a USB cable with a USB wall plug adapter and this user’s manual. The DUALEX SCIENTIFIC+™ is powered by an internal rechargeable Li-Po battery. The battery can be charged using the USB cable directly from the computer, or using the wall plug adapter (110-220/50-60Hz). FORCE-A User’s manual v.3.1...
Switching on the DUALEX SCIENTIFIC+™ II.2. To switch on the DUALEX SCIENTIFIC+™, press a ‘long push’ on the keyboard. A screen with FORCE-A image will quickly appear. Then the main menu will be displayed. Main menu II.3. The main menu includes 3 sub-menus: 1.
- There is a leaf between both heads: remove it and press on the button - Heads are dirty, clean them and press on the button II.4.b. Measurement Once calibration succeeded, the DUALEX SCIENTIFIC+™ unit is ready to measure and displays the following screen: FORCE-A User’s manual v.3.1...
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The range of this index is 0-3. If the measured value is outside these limits, the displayed value on the screen is: ***. This state is recorded in the memory of the device under the tag “NaN”. If the measurement is inconsistent, the displayed tag is: FORCE-A User’s manual v.3.1...
The last made measurement can be deleted by pressing the button (short press), the screen asks for confirmation. Press on the button (No) or (Yes): A long press on the button leads to the main menu and saves the measurement. FORCE-A User’s manual v.3.1...
. Download the memory content to a computer. If you go to the submenu ‘measurement’, the message will be displayed a second time. ► When DUALEX SCIENTIFIC+™ is switched on, if less than 2 kB of free memory remains, the following message is displayed: FORCE-A User’s manual v.3.1...
« DX yyyymmdd.csv », where « yyyy » represents the year, “mm” the month and « dd » the day. Once the file on your computer, it can be FORCE-A User’s manual v.3.1...
Leave the USB mode once the 2 files are transferred, by pressing on the button Re-start the device by pressing on the button . The updating of the software begins. The following screens appear: Press the button to select « start »: FORCE-A User’s manual v.3.1...
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Note: The cancellation is possible at anytime without saving, by pressing on the button WARNING: If the 5 figures are not correct, the following screen appears: The licence keys are unique: they are specific to the device. FORCE-A User’s manual v.3.1...
We can adjust the time zone in > Time zone <: When the GPS is active in mode ponctual or systematic, the device begins looking for the GPS with the aim to update the time and the date. FORCE-A User’s manual v.3.1...
But if an error occurs during the formatting, the screen displays « Error format ». If this error appears, please switch off the device and load the battery. If the problem persists, please contact FORCE-A. ® Press on the button , the DUALEX returns then to the sub menu ‘settings’.
Mean 2 Sides: 2 measurements are needed to get values for one leaf (adaxial and abaxial side). Chl = mean of 2 values Flav = sum of 2 values Anth = mean of 2 values NBI = Chl / Flav. FORCE-A User’s manual v.3.1...
1 and 10 minutes; the default setting is 5 minutes. When the DUALEX SCIENTIFIC+™ enters the standby mode, all measurements and settings are saved. When you restart the device by a long press on the button , to measure, a new self- calibration is needed.: FORCE-A User’s manual v.3.1...
This mode allows to select the language: French, English, German and Spanish. II.6.h. About The submenu ‘About’ displays the version of the software and the serial number of your DUALEX SCIENTIFIC+™. Please refer to this information when you contact FORCE-A. FORCE-A User’s manual v.3.1...
DUALEX SCIENTIFIC III Data file The datas generated by the DUALEX SCIENTIFIC+™ have a .csv format. They are thus compatible with any spreadsheet and any operating system. A DUALEX SCIENTIFIC+™ file is described in DX20130102.xls: FORCE-A User’s manual v.3.1...
< 2.5 m (CEP, 50%, 24 h static) Languages English, French, Spanish and German Safety Ring for leash Updating Remote program updating Warning: as FORCE-A is continuously improving its products, technical specifications are subject to change without notice. FORCE-A User’s manual v.3.1...
Exchange of batteries V.5. If the batteries of the DUALEX SCIENTIFIC+™ need replacement, please contact FORCE-A. The batteries are especially designed for this device. The replacement of batteries by an unsuitable model can seriously damage the unit.
Complaints: To benefit from the guarantee, please get in touch with the company FORCE-A and enclose to the package a description of the problem and the clearing of the transport costs for return. FORCE-A will repair or will exchange at its expenses the defective product. However if FORCE-A...
Solution 1 Solution 2 If the symptom persists, please The device does not start Recharge battery contact FORCE-A Recharge battery, then perform Display on the screen of If the symptom persists, please a new formatting of the "Format Error" after start...
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Contact: Secretariat Force A, Université Paris Sud 11 – Bâtiment 503 91893 Orsay Cedex, France Tel: + 33 1 69 35 88 62 - Fax: + 33 1 69 35 88 97 Email: info@force-a.fr Web site: www.force-a.eu...
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Do you have a question about the DUALEX SCIENTIFIC+ and is the answer not in the manual?
Questions and answers
Hi We are preparing an extension document at the Bruce Shafer Laboratory, University of Florida, to showcase the dualex sensors used in plants measurement. May we use the pictures from your website? If so, could you please provide written authorization? Thank you!