Photosynthetically Active Radiation & Global Solar Light Sensors

Illuminate your understanding with precision.

Shed light on how plant growth and health are influenced by photosynthetically active radiation (PAR) and global solar radiation. Our light sensors and logging solutions help you evaluate lighting strategies in greenhouses and enhance your insights to optimize operations and yield.

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LI-190R Quantum Sensor

Provides accurate measurements for most broad-spectrum light sources, including natural sunlight, artificial, or mixed sources, to evaluate plants' light use—in the open, in greenhouses, under plant canopies, or in growth chambers

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MX2308 Temp/RH/PAR Data Logger

Multiparameter logger captures highly precise temperature, RH & photosynthetically active radiation (PAR) measurements with a LI-COR PAR sensor and effortlessly offloads data to your device via Bluetooth

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LI-200R Pyranometer

Intended for outdoor use in unobstructed natural daylight conditions, measures global solar radiation in watts per square meter (W m^-2) and is compatible with most data loggers

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MX2309 Temp/RH/Solar Data Logger

Logs high-precision measurements for multiple parameters—temperature, RH & Global Solar Radiation with LI-COR LI-200R Pyranometer—and downloads data effortlessly to your device with Bluetooth wireless

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LI-191R Line Quantum PAR Sensor

Integrates below-canopy photosynthetically active radiation (PAR) measurements over 1-meter length in Photosynthetic Photon Flux Density (PPFD) units to measure non-uniform light field under canopies.

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LI-210R Photometric Sensor

Measures light in lux or klux with the same sensitivity as the human eye to evaluate illumination in indoor environments such as offices, exhibits, and public spaces

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LI-180 Spectrometer

Precision linear image sensor records intensity and composition of five color bands including near-UV and far-red, at the single nanometer level to evaluate and validate lighting strategy

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LI-250A
Light Meter

Portable device provides a dynamic range of instant, high-resolution readings from any three BNC light sensors you connect

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LI-192 Underwater Quantum Sensor

Designed for immersion or out-of-water applications, measures underwater photosynthetically active radiation in one hemisphere from all angles up to a 560m depth

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LI-193 Spherical Underwater Quantum Sensor

Spherical sensor measures underwater photosynthetically active radiation underwater or in air in one hemisphere, from all angles, up to a 350m depth.

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LI-250Q PAR Package

Takes spot measurements of photosynthetically active radiation intensity to assess adequate lighting using an LI-190R Quantum Sensor, LI-250A Light Meter, and 2003S Mounting and Leveling Fixture.

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LI-1500 Daily Light Integral Package

Rugged data logger and quantum sensor combine to automatically capture photosynthetically active radiation measurements at specified intervals and calculate Daily Light Integral (DLI)

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