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Contact SupplierApogee line quantum sensors measure a spatial average of photosynthetically active radiation. The MQ-301X has a separate sensor bar with 10 sensors, while the handheld meter displays and stores measurements. The sensor housing design features an integrated bubble level and is fully potted, making the sensor water- and weatherproof.
TYPICAL APPLICATIONS
•Incoming and reflected PPFD over and under
plant canopies in greenhouses, in fields, and in
growth chambers
UNIQUE DESIGN
Cost-effective, original quantum X sensors work well for sunlight and some broadband radiation sources. The sensor housing design features an integrated bubble level and is fully potted, making the sensor water- and weatherproof.
ACCURATE, STABLE MEASUREMENTS
Cosine-corrected with directional errors less than ± 5 % at a solar zenith angle of 75°. Long-term non-stability less than 2 % per year.
CALIBRATION TRACEABILITY
Apogee SQ X sensors are calibrated through side-by-side comparison to the mean of four transfer standard sensors under a reference lamp. The reference sensors are recalibrated with a quartz halogen lamp traceable to the National Institute of Standards and Technology (NIST).