Plant and canopy

A photo of the PHYTOS 31 Leaf Wetness Sensor
The PHYTOS 31 leaf wetness sensor is not only a more accurate instrument, it’s also the easiest to set up, making it a simple and straightforward solution.
  • Leaf wetness sensor even detects ice formation
  • Sensitivity without false positives
  • Mimics a real leaf, so moisture will condense/evaporate as it would on a normal leaf

A photo of the controller unit for the LP-80 PAR and LAI measurement tool
The LP-80 is a highly accurate way to determine canopy growth and canopy light interception (PAR and LAI), along with calculating fractional interception and crop coefficient.
  • Measures canopy PAR
  • Automatically calculates Leaf Area Index in real-time
  • Above-canopy sensor enables simultaneous above- and below-canopy PAR measurements

A photo of the SC-1 leaf porometer
Quick measurements. Easy-to-use engineering. Low cost in the short and the long run. The SC-1’s breakthrough steady-state technology makes it the best for measuring stomatal conductance.
  • Easy stomatal conductance measurements
  • High speed results (readings in 30 seconds)
  • Straightforward calibration and no moving parts

NDVI sensor image header
Apogee NDVI sensors combine an ultra-rugged form with sophisticated cloud data delivery for an unbeatable price-to-performance ratio.
  • Continuously monitor NDVI remotely
  • Built for long-term exposure to the elements
  • Easy to use and low cost

A photo of the SQ-521 PAR Sensor Continuous PAR Measurement Made Easy
The SQ-521 PAR Sensor provides accurate and cost-effective measurement of photosynthetically active radiation (PAR) from all light sources used to grow plants. 
  • High-quality photosynthetically active radiation (PAR) measurements
  • Easy setup. Easy data access.
  • Accurate and cost-effective measurements

A photo of the IRT infrared thermometer
The IRT infrared thermometer monitors surface temperature by measuring the thermal energy radiated from any surface.
  • Easy surface temperature measurements in real time
  • Many field of view options
  • Accurate, rugged, lightweight, weatherproof

A photo of the PYR sensor pyranometer
The PYR solar radiation sensor is designed for continuous outdoor use and is completely waterproof and submersible.
  • Accurate, easy-to-use pyranometer
  • Measure total solar radiation
  • Weatherproof for long-term use

A photo of the SN-500 Net Radiation sensor
If you need research-grade net radiation accuracy at an affordable price, then you’ll love the easy-to-use Apogee Net Radiometer.
  • Reliable net radiation measurements in real time
  • Research-grade accuracy for less cost
  • Easy, remote data access

A photo of the SU-221 Ultraviolet (UV) Sensor
The low-cost Apogee Ultraviolet (UV) Sensor is a scientific-grade sensor that provides the accuracy you need for less. Access remote data in real-time, wherever you are.
  • Ultraviolet sensor measures total radiation from 300 to 400 nm
  • Simple, self-cleaning, and tough
  • Easy, remote data access

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