 The LI-7500 is a high speed, high precision, open path CO2/H2O gas analyzer that accurately measures absolute densities of carbon dioxide and water vapor of air turbulent structures.
Applications- World leading instrument for eddy covariance studies
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 The LI-7000 is a high precision gas analyzer measuring CO2 and H2O simultaneously, using the same optical path. It guarantees an excellent performance for the most demanding operations.
Features - Very high sensitivity
- Differential or absolute mode operation
- Optical bench can be easily removed and cleaned
- Integrated air pump and pressure sensor
- Portable, battery powered operation
- Reference estimation method
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 The LI-820 CO2 Analyzer, a low cost, low maintenance CO2 analyzer for applications related to ambient CO2 measurement.
Applications- Industrial process control
- Meteorological and ambient Air Monitoring
- Safety/Leakage monitoring
- Agriculture/Food Industry
- Greenhouse Control Systems
- Growth Chambers
- Soil/Geological Monitoring
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 The LI-840 is an absolute, non-dispersive, infrared (NDIR) gas analyzer, specifically designed for continuous monitoring of CO2 and H2O over a wide range of environmental conditions.
Applications- Meteorological and ambient air monitoring
- Soil CO2 flux measurement
- Food Technology
- Fruit storage/Indoor air quality
- Demand-controlled ventilation
- Greenhouse Control Systems
- Growth Chambers
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Infrared