DESIGNED FOR UNDERWATER USE
Sensor heads are fully epoxy potted to be completely waterproof. Diffuser is cosine corrected for accurate 2-pi PAR-mapping. Sensor readings are adjusted in firmware to correct for the immersion effect.
ACCURATE, STABLE MEASUREMENTS
Long-term non-stability determined from multiple replicate quantum sensors in accelerated aging tests and field conditions is less than 2 % per year.
DATALOGGING CAPABILITIES
The meter records up to 99 measurements in logging mode, making automatic measurements every 30 seconds and recording 30-minute averages. Data can be downloaded to calculate DLI.
NIST TRACEABLE CALIBRATION
Apogee Quantum sensors are calibrated by comparison to the mean of four transfer standard sensors under a
reference lamp. The reference sensors are recalibrated regularly to a halogen lamp traceable to the National Institute of Standards and Technology. Calibration certificates are available upon request.
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