Canada’s Instrumentation Leader Since 1946.

AccuPAR LP-80 Ceptometer

There are several methods to measure how much light is intercepted by a canopy in order to determine if water loss is from evaporation or transpiration. There’s the hard way. There’s the expensive way. And then there’s the smart way: the LP-80.

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ACCUPAR LP-80
Canopy Interception and Leaf Area Index

Measure Canopy PAR
The AccuPAR is a lightweight, portable photosythetically active radiation (PAR) sensor wand that lets you measure canopy PAR interception at any location within a crop or forest canopy.  PAR data can be used with other climate data to estimate biomass production without destroying the crop. PAR is also important in determining other canopy processes, like radiation interception, energy conversion, momentum, gas exchange, precipitation interception, and evapotranspiration.

Calculate Leaf Area Index (LAI)
The AccuPAR also uses radiation measurements and other parameters to accurately calculate leaf area index (LAI) non-destructively in real time.

Lightweight, Self-contained
The AccuPAR weighs a little over 1 pound ( 0.5kg). The attached controller, powered by 4 AA batteries, can be used to take measurements manually or can log data unattended for short periods of time. It stores 1 MB of data (over 20,000 above, below and summary canopy readings) for later download and analysis.

Includes External Sensor
The included external PAR sensor can be used to make simultaneous above- and below-canopy PAR measurements.

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