Expand your light measurement capabilities with data logging, long-term measurements, continuous PAR measurement, and automated calculation of Daily Light Integral (DLI) with the LI-1500 DLI Package.
An important lighting consideration is the total amount of light your plants receive daily, which cannot be easily extrapolated from instantaneous measurements. One of the most common ways of calculating total daily light is DLI, which reports a total number of moles (instead of micromoles) of photons per day (instead of per second).
Maintaining a consistent DLI based on your plant type and growth stage is critical for achieving ideal growth and maximum yield. However, the amount of supplemental lighting required to maintain a consistent DLI can vary dramatically throughout the year. Providing too little light may negatively impact growth and production, while providing too much light may also negatively impact growth while wasting costly energy resources. With the LI-1500 DLI package, you can ensure that you provide the correct light amount to optimize greenhouse production while conserving resources and being mindful of your bottom line.
Accurate DLI measurements require that measurements are taken at precise, regular intervals and use complex calculus to find the integral of the intensity-time curve. The LI-1500 DLI package greatly simplifies this process, automatically capturing data at the correct intervals and doing the math for you.
After programming your LI-1500 based on your light sensor’s calibration information, calculating DLI takes three simple steps:
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