MICROSCOPY-PAM Probing of Cells and Tissue in Microbial Mats and Leaves




Probing of Cells and Tissue in Microbial Mats and Leaves WALZ

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Type of Instrument Microscope
The instrument measures: Chlorophyll Fluorescence

The MICROSCOPY-PAM is an extremely sensitive non-imaging chlorophyll fluorometer specialized to measure smallest spots in microscopic specimen like tissue preparations or suspensions.

Essentially, the fluorometer consists of a modified epi-fluorescence microscope equipped with a modulated LED light source and a photomultiplier for detection of modulated chlorophyll fluorescence.

Universal Control Unit PAM-CONTROL

For control of Photomultiplier-detector PM-MF and LED

General Features

Data memory: 128 kB CMOS RAM providing memory for 4000 data sets

Microcontroller: CMOS 80C52

Display: 2 x 24 character alphanumerical LC-display with backlight

User interface: 2 x 4 touch-sensitive keys to operate the internal mode menu

Measured parameters: Fo, Fm, Fm', F, Fv/Fm (max. Yield), ΔF/Fm' (Yield), qP, qN, NPQ, PAR (using special micro quantum sensor), ETR (i.e. PAR x ΔF/Fm')

General Design

Power supply: Internal rechargeable battery 12 V/2 Ah, providing power for at least 10 000 Yield measurements, automatic power/off, battery charger MINI-PAM/L (100 to 240 V AC)

Dimensions: 17.6 cm x 11.5 cm x 9.5 cm (L x W x H)

Weight: 2 kg (incl. battery)

Operating temperature: -5 to +45 °C


Actinic light: Drives up to three actinic LEDs

AUX input: Receives signals from temperature and light sensors

Aux output: Sends control signals for external LED drivers

Charge: Socket for battery charger

Far red light: Up to three far red LEDs can be driven

Measuring light: Capacity to drive up to three LEDs both as measuring and actinic light
sources, 12 LED intensity and 12 pulse frequency settings are available, automatic change
of measuring light frequency.

Output: Provides analog signal to chart recorder

Photomultiplier: Full control of photomultiplier PM-MF

RS232: Data transfer to computer using WinControl V. 2 software

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