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Apogee DLI Meters

PAR, Daily Light Integral, and Photoperiod Meters

These new Apogee's DLI meters can do spot measurements of PPFD, while also recording daily light integral (DLI) and photoperiod with only one handheld instrument.

Three Models
  • DLI-400: for measuring 400-700 nm only in sunlight and under some broadband light sources.
  • DLI-500: Full-spectrum is accurate for measuring 400-700 nm under all light sources including LEDs.
  • DLI-600: ePAR is accurate for measuring the newly discovered extended PAR (ePAR) 400-750 nm range under all light sources.
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