IMAGING-PAM(HEXAGON)

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Technical specifications (prototype)

The HEXAGON-IMAGING-PAM employs a very compact and powerful 600 W LED array for homogeneous illumination of up to 20 x 24 cm areas with pulse-modulated excitation, actinic light, and saturation pulses.
An aluminum bottom plate is used on the one hand to position a series of individual leaves in the focal plane or can also be used as a support for plant trays in a lower position. The focus of the 8 mm objective can thus remain at the same setting.
To position individual specimens conveniently, the higher position of the base plate is used (Figure 1). The samples can be inserted through the sliding doors at the front. Seedlings in plant trays can be inserted and measured from the side in a lower position.
Provided that safety with regard to artificial optical radiation remains guaranteed, the LED array could also be used alone without the base (the door sensor then would have to be connected to the alternative safety system).
It is recommended to run the system via a desktop computer directly connected to its Ethernet interface card (no hubs in between) and a separate monitor with the resolution that is recommended below for best image quality.

Design

the aluminum housing is closed in the front area by a split sliding door. A safety mechanism prevents the saturation pulse when this is open. Samples on trays can be inserted from the side.
The sample chamber is light-tight ventilated to prevent excessive heating of the samples during the measurement

Measured area

The area of the highest illumination homogeneity, together with the lens used and a working distance of about 20 cm allows the imaging of 20 x 24 cm.

Dimensions

HEXAGON-PAM alone without power supply and control computer

Light source for fluorescence excitation and actinic illumination

Selected high power Cree LEDs with 451 nm dominant wavelength, modulation frequency 1-8 Hz; max actinic intensity 2100 μmol quanta m-2s-1 PAR; maximum saturation pulse intensity 4100 μmol quanta m-2s-1 PAR

Specification
Specification
Far red light Peak emission at 730 nm - planned.
Signal detection Sony IMX264 CMOS 2/3” Sensor with 3.45 x 3.45 Pixel size
User interface Windows 10 desktop PC with ImagingWinGigE Software (included). The device is connected via GigE, keyboard operation.
Light field properties Windows 10 desktop PC with ImagingWinGigE Software (included). The device is connected via GigE, keyboard operation.
Data output Format xpim, csv, jpg, gif (raw image format 10 bit color depth, 1200 x 1000)
Power supply external DC laboratory power supply (48 V, included)
External Control desktop PC with Win 10 OS (min. Intel Core i5 gen. 8, 8 GB RAM and 512 GB SSD)For the monitor, a native resolution of 2560 x 1440 pixels (WQHD) is recommended.
Software Win-PC software ImagingWinGigE (and updates) included
Operating temperature 5 to +45 °C (non-condensing)

Head office (Daegu City)

41256 대구광역시 동구 동대구로 495 (신천동) 삼양사빌딩 7층 Tel. 053-752-0454(0450) Fax. 053-752-0464 Email greenics@naver.com