PAR, Daily Light Integral, and Photoperiod Meters (DLI-400-500-600)

Apogee DLI meters are a rugged, simple-to-use device for spot checking PAR or ePAR levels while automatically recording the daily light integral and hours of light (photoperiod) for up to 99 days.   Features: • Live photosynthetically active radiation (PAR) or extended PAR (ePAR) measurements • Logs and displays 99 days of: • Daily Light Integral (DLI) • Photoperiod to 0.1 hours • View data on-screen or download via USB-C port • ¼-20 threaded mounting socket for use with common camera tripods, etc • Rugged and splashproof • Scientific-grade accuracy