The standard for light measurements

Redesigned light sensors optimized for ecological, meteorological, solar energy, plant research, and underwater measurements.

A new design that builds on our 40+ years of experience producing light sensors.

Learn more about the science and engineering behind the new sensors.

Water shedding design Interchangeable heads Detachable base Multiple output signals
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Featured Application: Light Measurement in Greenhouses and Growth Chambers

Capture and log light intensity and spectral composition measurements for maximizing production and energy efficiency in your greenhouse with the LI-250Q PAR Package, LI-1500 DLI Package, and LI-180 Spectrometer.

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