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 XLR-860 keeps the durable features of prior Teledyne CETAC autosamplers which have proven their worth in tens of thousands of laboratories and countless hours of operation.
Compact Fluorescence Spectrophotometer ystem capable of performing many new functions such as sensitivity (S/N 800:RMS) and ultra high-speed (60,000 nm/min) at the highest level of its class.
The Oils 7400 Homogenizing Autosampler allows two sample matricies to be introduced to an ICP instrument from the same system. Boasting a dual port rinse station fed by two separate peristaltic pumps, it can change between oils and coolants testing on demand.
The LI-610 Portable Dew Point Generator is a rugged, portable instrument that provides a stream of gas with a precisely controlled dew point. High accuracy and stability make the LI-610 an ideal water vapor source for field or laboratory use in the environmental and biological sciences.
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