Related Manuals for Pessl Instruments METOS Dualex
Summary of Contents for Pessl Instruments METOS Dualex
- Page 1 Dualex User Manual A Product of Pessl Instruments GmbH Werksweg 107 8160 Weiz Austria info@metos.at • +43 317 255 21...
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Page 2: Table Of Contents
Table of content 1. Dualex optical leaf-clip ......................1 1.1. Description ............................1 1.2. Button description ..........................2 1.3. Dualex transport case ........................2 2. Getting Started ........................3 2.1. Charging the Dualex ......................... 3 2.2. Switching on the Dualex ........................3 2.3. -
Page 3: Dualex Optical Leaf-Clip
1. Dualex optical leaf-clip 1.1. Description Label Description Light Source The head contains 5 LEDs that emit in different wavelengths: UV, Red, Green, 2x NIR Light Detector The head contains an optical filter and a photodiode. Opening Handle When pressed, the clip opens and the leaf can be placed between the two heads. -
Page 4: Button Description
action depends on the state of the device. (Refer to detailed functions below; under Keyboard button functionalities) Wrist-strap A wrist strap can be attached to the Dualex unit to prevent the unit from falling. USB port USB port that allows downloading data, updating software and charging the Dualex device. -
Page 5: Getting Started
2.2. Switching on the Dualex To switch on the Dualex, long press the power button on the keyboard. A beep and a screen with Pessl Instruments image will appear shortly and then one is greeted with the main menu as shown below. -
Page 6: Main Menu
2.3. Main menu The main menu includes 3 sub-menus: 1. Measurement: allows measurements, 2. USB: allows to download the recorded data and to update the device software from a computer, 3. Settings: give access to the different menu configurations like the GPS, Format, Measure, Date &... -
Page 7: Measurement
Be careful during the calibration process that there is nothing between the optical heads and that the clip is well closed. To start self-calibration, press on the button Warning: You can face three potential problems during the calibration: The clip is opened: close it and press on the button •... - Page 8 If the reading succeeds, the indices values appear on the screen: NBI: or Nitrogen Balance Index. This index is the ratio between Chl • (Chlorophyll) and Flav (Flavonol). The range of this index is 0 - 999. If the measured value is outside these limits, the value displayed on the screen is ***.
- Page 9 mes: corresponds to the rank number of the measurement performed in the • group. This value increases automatically with every measurement. sup / inf: the side of the leaf, adaxial or abaxial, and its associated • epidermis – that is positioned against the light source head (upper head) – will be measured.
- Page 10 Power alarm In order to avoid a loss of data, a double alarm informs you about the level of the battery. The first alarm informs you that there is only 20% of the battery power left « Low battery ». You can continue your measurements for approximately 1 hour. The second alarm informs that there is only 10% of the battery power left «...
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Page 11: Submenu 'Usb
Press on the button . Download the memory content to a computer. If you go to the submenu ‘measurement’, the message will be displayed a second time. When the Dualex is switched on, if less than 2 kB of free memory remains you •... -
Page 12: Connection
2.3.2.1. Connection Connect the cable USB to the mini connector USB: The mini connector USB to be plugged into the Dualex’s connector located at the bottom of the device. The connector USB to be plugged into the USB port of the computer. In the main menu, select the sub-menu ‘USB’... -
Page 13: Dualex Update
2.3.2.2. Dualex update WARNING: In order to avoid a loss of data, please copy the files from the memory before proceeding to an update. The DUALEX will erase the memory at the end of the process. The USB has to remain connected throughout the update. If the device is disconnected, the following message will be displayed: Switch on the Dualex with the button... -
Page 14: Submenu 'Settings
2.3.3. Submenu ‘settings’ The submenu ‘settings’ gives access to adjustable parameters: 1. GPS: toggles GPS in modes Off, Light or Full. 2. Format: formates the flash memory. 3. Measurement: allows selecting the acquisition mode for measurements. 4. Date & Time: updates date and time. 5. -
Page 15: Format
We can adjust the time zone in > Time zone <: When the GPS is active in punctual or systematic mode, the device begins looking for the GPS with the aim to update the time and the date. 2.3.3.2. Format The setting ‘format’... -
Page 16: Measurement
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 Pessl Instruments. Press on the button , the Dualex returns then to the sub menu ‘settings’. -
Page 17: Date & Time
Manual: the recording of the measurement is only made once the button pressed. Tuning: this function re-adjusts the parameters to allow the automatic mode, depending on the clip aperture. Use it if automatic mode doesn’t work. b) 1 Side/2 Sides 1 Side: at every closure of the clip or a press on the button , a measurement is recorded (following the triggering previously selected). -
Page 18: Contrast
2.3.3.5. Contrast You can adjust the contrast of the screen with the buttons . After having adjusted the contrast, return to he main menu by pressing 2.3.3.6. Standby The time before Dualex enters the standby mode can be chosen. It can be adjusted between 1 and 10 minutes;... -
Page 19: Languages
2.3.3.7. Languages This mode allows the user to select one of the following languages: French, English, German or Spanish. 2.3.3.8. About The submenu, ‘About’ displays the version of the software and the serial number of your Dualex. -
Page 20: Data File
3. Data file The data generated by the Dualex have a .csv format. They are thus compatible with any spreadsheet and any operating system. Some applications (example: MS Excel) automatically try to change the format of the cell value (from decimal number to date format etc.). If you see strange values in Excel, you can open the .csv file with your simple text editor (example: notepad) and you will see correct, original values. -
Page 21: Dualex Technical Specifications
Relative accuracy < 2.5 m (CEP, 50%, 24 h static) Languages English, French, Spanish, German Safety Ring for leash Updating Remote program updating Warning: as Pessl Instruments is continuously improving its products, technical specifications are subject to change without notice. -
Page 22: Precautions Of Uses
5.5. Exchange of batteries If the batteries of the Dualex need replacement, please contact Pessl Instruments. The batteries are especially designed for this device. The replacement of batteries by an unsuitable model... -
Page 23: Conditions Of Guarantee
Tel: +43 31 72 55 21 e-mail: office@metos.at To benefit from the guarantee, please get in touch with the company Pessl Instruments. The return policy is available on our website: https://metos.at/en/return-policy/. For the whole repair/replacement/return conditions, please read our General terms and... -
Page 24: Faq
7. FAQ Questions Solution 1 Solution 2 The device does not start Recharge battery If the symptom persists, please contact Pessl Instruments Display on the screen of Recharge battery, then If the symptom persists, "Format Error" after start perform a new formatting of please contact Pessl the memory Instruments...