apogee INSTRUMENTS SQ-521 Full Spectrum Quantum Sensor Instruction Manual

The SQ-521 Full Spectrum Quantum Sensor by Apogee Instruments is a high-quality sensor designed to measure incoming PPFD in outdoor environments. Made in the USA, it is compatible with most meteorological stands and mounts. This user manual provides detailed instructions for proper installation and usage.

apogee INSTRUMENT SQ-500 Full-Spectrum Quantum Sensor Owner’s Manual

This user manual is for the Apogee Instruments SQ-500 Full-spectrum Quantum Sensor, a high-quality sensor used to measure photosynthetically active radiation. It includes a certificate of compliance and EU declaration of conformity. The manual provides information on relevant standards and the product's features, such as photosynthetic photon flux density (PPFD) and daily light integral (DLI).