Research grade measurement of photosynthetically active radiation (PAR), ePAR, PPF, and PPFD

The Full-spectrum Quantum Sensors are our top-of-the-line models and feature an advanced optical detector that provides the highest accuracy PAR (aka PPFD) measurements (400-700 nm) under all light sources, including all modern narrow-band LEDs. Model MQ-500, PQ-500, DLI-500, SQ 500series etc.

New Extended Photosynthetically Active Radiation or "ePAR" sensors are designed to make high-accuracy total photon flux intensity measurements of the newly recognized wider 400-750 nm ePAR range, which is a new photosynthetic radiation range some scientist are now measuring based on emerging research. Model MQ-610, PQ-610, DLI-600, SQ 600series etc.

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