$499 · MQ-500: Full-Spectrum Quantum Meter

https://shoponset.hoskin.ca/products/mq-500-full-spectrum-quantum-meter?variant=21086830329915 The MQ-500 has a hand-held meter that displays and stores measurements. Typical applications include PPFD measurement over plant canopies in outdoor environments, greenhouses, and growth chambers, and reflected or under-canopy (transmitted) PPFD measurements in the same environments. Quantum sensors are also used to measure PAR/PPFD in aquatic environments, including salt water aquariums where corals are grown.