Spectrometer

Plant growth and reproduction are driven by photosynthetically active radiation (PAR), defined as wavelengths between 400 and 700 nanometers. This interval is often separated into three distinct “color” bands for plant research. Modifying the intensity of red, blue, green wavelengths, along with additional near-UV (380-400 nm) and far-red (700-780 nm) bands, can influence a variety of plant characteristics, such as growth rate, chemical composition, and more.

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Plants

Li-Cor Environmental, Inc.

Plants

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Portable Photosynthesis System

LI-6800 - Li-Cor Environmental, Inc.

The LI-6800 Portable Photosynthesis System simultaneously measures photosynthetic gas exchange and chlorophyll a fluorescence over the same area in plants and aquatic samples, revealing additional insights into photobiology. Highly extendable, it is capable of measuring gas exchange from soil, insects, and many other sample types for countless experiments.

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Porometer/ Fluorometers

LI-600 and LI-600N - Li-Cor Environmental, Inc.

The LI-600 and LI-600N are compact porometers with Pulse-Amplitude Modulation (PAM) fluorometers that simultaneously measure stomatal conductance and chlorophyll a fluorescence over the same leaf or needle area. A GPS receiver tracks location and an accelerometer/magnetometer records data needed to calculate a leaf's angle of incidence to the sun. Capable of completing these measurements in seconds, the LI-600 and the LI-600N deliver speed and precision.

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Aquatic Chamber

6800-18 - Li-Cor Environmental, Inc.

The 6800-18 Aquatic Chamber is used to measure steady-state carbon assimilation and chlorophyll a fluorescence from algal suspensions, coral, macro algae, and sea grasses using the LI-6800 Portable Photosynthesis System, the preferred photosynthesis system for terrestrial plant research.

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Greenhouses And Growth Chambers

Li-Cor Environmental, Inc.

Understanding Plant Health and Light Management Starts with Accurate Measurements

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Plant Canopy Analyzer

LAI-2200C - Li-Cor Environmental, Inc.

The LAI‑2200C Plant Canopy Analyzer uses a non-destructive method to easily and accurately measure Leaf Area Index (LAI). It consistently outperforms other methods such as Ceptometry and Hemispherical Photography in terms of flexibility, advanced features, accuracy, and ease of use.

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Quantum Sensor

LI-190R - Li-Cor Environmental, Inc.

The LI-190R measures Photosynthetically Active Radiation (PAR, in µmol of photons m-2 s-1). It provides accurate measurements—in the open, in greenhouses, under plant canopies, or in growth chambers—for most broad-spectrum light sources, including natural sunlight, artificial, or mixed sources.

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Line Quantum Sensor

LI-191R - Li-Cor Environmental, Inc.

The LI-191R Line Quantum Sensor measures PAR integrated over its 1-meter length. It is used to measure sunlight under a plant canopy, where the light field is non-uniform. The LI-191R makes it easy to measure under-canopy light in many plots quickly and consistently. It measures light in units of Photosynthetic Photon Flux Density (PPFD), which is expressed as μmol s-1 m-2.

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PAR Package

LI-250Q - Li-Cor Environmental, Inc.

Light management is a critical factor in commercial greenhouse and growth chamber efficiency. Choose the LI-250Q package for spot measurements of photosynthetically active radiation (PAR) intensity and quantity with unrivaled accuracy.

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Light Sensor Logger

LI-1500 - Li-Cor Environmental, Inc.

The LI-1500 connects up to three light sensors with BNC terminals. Package includes four AA batteries, USB cable, AC power supply adapter, carabiner clip, carrying case, Windows® file viewer software, and instruction manual. Sensors sold separately.

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