Apogee Photochemical Reflectance Index (PRI) Sensors
Measuring Photochemical Reflectance Index , the PRI sensors from Apogee cover the 532 nm (Green) and 570 nm (Yellow) ranges for the measurement of plant canopy photosynthesis and response to stress.
Measuring Photochemical Reflectance Index , the PRI sensors from Apogee cover the 532 nm (Green) and 570 nm (Yellow) ranges for the measurement of plant canopy photosynthesis and response to stress.
The PRI sensors are available in upward or downward facing, and with SDI-12 or analogue outputs for different applications.
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Sensor versions
SDI-12 Output:
- S2-421-SS: Upward-facing PRI System with SDI-12 output.
- S2-422-SS: Downward-facing PRI System with SDI-12 output.
Analogue Output:
- S2-121-SS: Upward-facing PRI System with analogue output.
- S2-122-SS: Downward-facing PRI System with analogue output.
Accessories
Accessories can be found on the Apogee Accessories page
Full technical specifications can be found on the Apogee Instruments Website
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