- DR BRUCE BUGBEE: Apogee DLI PAR meters have been designed and refined by Dr. Bruce Bugbee, a world-famous crop physiologist.
- DLI-400 SUNLIGHT METER: Offers research-grade PAR (PPFD), DLI, and photoperiod measurements at a low cost. Calibrated for direct sunlight and select grow-light sources (MH, HPS). Records and displays daily light integral in mol·m-2·d-1 and photoperiod in 0.2-hour increments for up to 99 days. For comprehensive measurements, including LEDs, consider our DLI-500 and DLI-600 models. Monitoring and managing PAR, DLI, and photoperiod are vital for optimizing plant health, flower initiation, and other morphological responses. Data can be viewed onscreen or downloaded via USB-C for analysis.
- RUGGED AND VERSATILE: IP65-rated for durability in harsh environments. Can be placed on any surface or mounted with standard camera equipment. Includes protective case, soil stake, AAA batteries, USB-C cable, screwdriver, and QuickStart guide.
- MANUFACTURED IN THE USA: All meters are backed by our four-year warranty and supported by our US-based customer support team.
