The LI-600 is a compact porometer with an optional Pulse-Amplitude Modulation (PAM) fluorometer that measures stomatal conductance and chlorophyll a fluorescence over the same leaf area. Capable of completing a measurement in seconds, the LI-600 provides the speed and precision required by researchers today.
The LI-600 brings together numerous innovative technologies to deliver fast, accurate, and dependable measurements in a compact, handheld device.
Stomatal openings regulate the exchange of water vapor and CO2 between a leaf and the air. Stomatal conductance to water (gsw), which responds to light, CO2, temperature, and humidity, among others, is a measure of the degree of stomatal openness and the number of stomata. It is an indicator of a plant’s genetic makeup and physiological response to environmental conditions.
Measurements of chlorophyll a fluorescence can provide information about the leaf’s quantum efficiency, electron transport rate (ETR), non-photochemical quenching (NPQ), as well as an assortment of reactions that collectively protect a leaf when it absorbs excessive light energy.
Combined measurements of stomatal conductance and chlorophyll a fluorescence present a more complete picture of a plant’s physiological state than either technique alone.
Understanding these processes is important to many research applications, including genetic screening, agronomy, plant physiology, ecology, climate change research, and stress tolerance.
The Q150T Plus is optimised for use with a turbomolecular pump, which gives a lower vacuum down to 5 x 10-5 mbar. This enables the sputtering of oxidising metals, which have a lower grain size suitable for high-resolution imaging.
ULTRA TEC’s bench-top workstation for manual polishing provides a simple, low cost way to ‘get things done’ in the lab. The integral fluid containment tray allows for polishing fluids and abrasives to be collected during the workday and discarded when full, or at the end of a shift.
HORIBA’s unique compact meter integrates the electrode, display and sample container to enable simple, effective on-site testing by direct measurement from a single drop.
Automated Soil CO2 Flux System A portable, automated system for simple and reliable survey and long-term measurements over a study site.
The LI-192 Underwater Quantum Sensor measures PAR from all angles in one hemisphere. The LI-192 works in air or underwater at depths up to 560 meters.
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