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🌿 Illuminate your grow with precision — don’t let your plants miss a photon!
The DLI-500 PAR meter is a professional-grade, full-spectrum light measurement tool designed for precise monitoring of photosynthetically active radiation (PAR), daily light integral (DLI), and photoperiod. Engineered by renowned crop physiologist Dr. Bruce Bugbee, it offers up to 99 days of data logging, USB-C data export, and rugged IP65-rated durability, making it an essential instrument for optimizing plant health and maximizing yields in any agricultural or horticultural environment.









| ASIN | B09RQ3M7RS |
| Batteries | 2 AAA batteries required. (included) |
| Best Sellers Rank | #227,243 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #79 in Lab Photometers & Light Meters |
| Date First Available | February 1, 2022 |
| Item Weight | 6.4 ounces |
| Manufacturer | Apogee Instruments |
| Package Dimensions | 4.69 x 4.33 x 2.32 inches |
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