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Apogee Instruments - Model SP - APOGEE ...

Apogee Instruments - Model SP -APOGEE PYRANOMETERS (SP)

Apogee offers silicon-cell and thermopile pyranometers that are both rated ISO 9060:2018 Class C (fast response). Our popular silicon-cell models are less expensive and have a faster response time, but can have errors under cloudy conditions. Our thermopile pyranometers feature a unique, cost-effective design with an inexpensive diffuser and blackbody thermopile detector that provides a broader and more uniform spectral response for better performance in all atmospheric conditions.