Day Light Integral

Accurate full-spectrum PAR data, no matter the light source.

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AROYA DLI sensor with adjustable mounting rod for measuring full-spectrum PAR in controlled grow environments

The right light fuels optimal growth and yield. Too little light, and plants underperform. Too much, and you waste energy or damage the canopy. AROYA’s DLI sensor gives you reliable numbers to guide decisions, so you can balance productivity, efficiency, and quality.

Cultivation facility filled with mature cannabis canopy beneath overhead grow lights and environmental controls

Dial in your lighting.

By measuring PPFD across the canopy and tracking DLI over time, you can see how evenly light is distributed and whether your crop gets the right amount each day.

Add a DLI sensor to your grow to fine-tune light placement and fixture layout, define target lighting intensity, tweak uneven canopies, and reduce energy costs.

Blue cylindrical DLI sensor component designed for precise daily light integral data collection in cultivation

Reliable data from any setup.

This full-spectrum quantum PAR sensor measures the entire range of light plants use for photosynthesis (400–700 nm), ensuring accurate readings regardless of whether you’re using LEDs, HPS, metal halide, or a mix of fixtures.

AROYA daylight integral sensor with connector interface, built for reliable canopy lighting measurement in grow rooms

Get the whole truth.

Because different lights emphasize different parts of the spectrum, a sensor that responds correctly across all wavelengths is essential. This accuracy lets you dial in intensity, duration, and spectrum for veg, flower, or mixed stages, and gives you consistent, reliable data when experimenting or comparing yields against energy costs.

Metallic blue Apogee DLI sensor housing with white logo text for monitoring canopy light intensity and spectrum

Specifications

PAR

Measurement range:

0 to 4000 μmol m-2 s-1

 

Spectral sensitivity:

less than 10% from 412 to 682 ± 5 nm

 

Measurement repeatability:

less than 1% (Up to 5000 μmol m-2s-1)

 

Long-term drift:

less than 2% per year

Field of view

180°

Operating environment

-40 to 70 °C; 0 to 100% relative humidity; can be submerged in water up to depths of 30 m