Breckland Scientific 2021 Catalogue

Plant Biology

Transpiration

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1 POTOMETER - SIMPLE Used to show transpiration which occurs in small plant shoots. The apparatus is submerged and the specimen placed in the tube. When transpiration occurs, the bubble within the capillary moves. A syringe is used to zero the scale. Cat No. Description Price Per PLB-350-100 Potometer - Simple 30.80 ea. 2 LASCELLS POTOMETER This is a simple apparatus for investigating the rate of water uptake and transpiration in plants. The tubing is mounted onto a sturdy acrylic plate with 1mm capillary tube and millimetre scale. The apparatus includes a syringe to aid setting up and for resetting the device for further experiments. Includes complete instructions. Cat No. Description Price Per PLB-355-120 Potometer 33.30 ea. 3 POTOMETER - DARWIN Supplied complete with rubber stoppers, scale and capillary tubing. Cat No. Description Price Per PLB-300-100 Potometer - Darwin 12.50 ea. 4 GANONG POTOMETER A Ganong potometer, for demonstration rates of transpiration and water uptake by a cut shoot. The apparatus is mounted on wooden base, being held in place with clips, to allow the glassware to be removed and filled with water for experiments. Includes a graduated capil- lary tube for measuring the rate of transpiration, via an air bubble within the water in the tube. Cat No. Description Price Per PLB-500-100 Ganong Potometer 32.96 ea. 5 HAIR DRYER Useful for investigations into the rate of transpiration with relation to air movement. Dual voltage. Cat No. Description Price Per CHR-400-100 Hair Dryer 13.03 ea. 6 FAN Desk fan, for providing a convenient source of air-flow for wind- energy investigations. Also useful for keeping cool in hot weather! 30cm diameter. 230 Volts a.c. Cat No. Description Price Per FAN-100-100 Fan 19.57 ea.

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Simple Potometer

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Darwin Potometer

Lascells Potometer

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Ganong Potometer

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Fan

Related Products... For a dissolved oxygen sensor see page 140

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Hair Dryer

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