The Leafview 1 : The ideal e ntry-level gas-phase oxygen electrode system for advanced photosynthesis & respiration studies

Perfect for teaching environments as well as high-level research facilities
Leafview 1 is the entry-level system for studies of photosynthesis and respiration from gas-phase, solid-state samples under actinic illumination. The system is ideally suited to teaching environments for under and post-grad plant biology studies of the photosynthetic processes as well as research facilities where demands on equipment performance are high.

Samples typically consist of leafdiscs which are either cut from a broad leaf or made up of a “mat” of smaller leaves to form a circular disc of 10cm 2 . Changes in the oxygen content of the sealed sample chamber are determined by the integral oxygen electrode mounted in the base of the chamber.

  • LD1/2 electrode unit suitable for leafdiscs up to 10cm2 cut from whole leaves, algae or moss etc.
  • Oxygen electrode control & signal acquisition via Oxyview control unit
  • Illumination via LS2 high-intensity tungsten-halogen white light source
  • LS2 intensity adjustable by insertion of neutral-density filters
  • Oxygen signal output from Oxyview to recording device via 0V – 5V analogue output
  • Upper optical port allows uniform illumination from LS2 from directly above the sample.
The individual components of the Leafview 1 system include:
S1 Oxygen Electrode Disc
When connected to the electrode control unit, the S1 provides a fast, effective and accurate method of detecting small changes in O 2 concentration.
LD1/2 Electrode Chamber

The LD1/2 leafdisc electrode chamber is a simple device for measuring oxygen exchange from a 10cm 2  leafdisc mounted within a sealed, gas-tight sample-chamber.

The LD1/2 is constructed from black acetal with a cast acrylic top window allowing the sample to be evenly illuminated for photosynthesis measurements using the  LS2 high-intensity white light source .
LS2 Light Source
The LS2 light source is a high-intensity (100W) tungsten-halogen light source powered from a stabilized power supply.

A range of light intensity steps may be achieved by adding permutations of the 4 A5 neutral density filters supplied to attenuate the light intensity.

When used with the  DW1 electrode chamber  the LS2 can achieve a maximum intensity of 1,800 µmol m - 2  s - 1  when mounted horizontally with respect to the electrode chamber.
Oxyview Control Unit
The low-cost Oxyview control unit provides an accurate and stable reading of the oxygen content of the sample in question.

A series of menu screens guide you to easily configure and control the system via a front mounted control panel.

The Oxyview control unit is fully compatible with the range of Hanstech  oxygen electrode chambers .
The entry-level gas-phase oxygen electrode system for advanced photosynthesis & respiration studies
July 25 - 29
Washington D.C.
Booth # 504
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