LI-180

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.

The precision linear image sensor of the LI-180 records intensity and composition of these five wavebands at the single-nanometer level with a single click. Optimize the composition of your supplemental lighting and track your spectrometer data over time for long-term validation of your lights and lighting strategy. Monitor degradation of your custom lighting system, plan for seasonal changes or upgrades, and design species-specific light recipes using the LI-180 Spectrometer.

Instant Insights

Measure real-time changes from spectral manipulation, height adjustment, and plant positioning. In one click, the LI-180 records dozens of variables including PAR (as color-specific photosynthetic photon flux density (PPFD)), photon flux density (PFD), irradiance (W/m2), and more. Select a measurement to see details, such as ratios of red to blue or red to far-red intensity.

LI-180 screens

Actionable Results

Compare the spectra of your lighting to one of multiple reference spectra. Reference spectra are based on pigments important for photosynthesis and morphology, such as chlorophyll a or beta carotene. Then adjust your lighting strategy to better match the pigment peaks for species-specific responses throughout your greenhouse.

LI-180 spectrometer making a measurement

Superior Portability

Measure spectral output from any angle in and around your plants to find optimal spacing and height of supplemental lighting. The full capability of the LI-180 is within a compact, lightweight design that fits in the palm of your hand. Save your data to a high-capacity SD card or transfer data files via email from the mobile application.

LI-180 Spectrometer portability

Custom Experience

Measure specific wavebands of interest and view the results in tabular and graphical outputs immediately after capture. Create custom wavebands and ratios to focus on the light ranges you want. Determine which bands of light have the highest intensity from your lighting strategy.

LI-180 custom wavebands and ratios

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