Dimensions: 28.4 cm L × 27.9 cm W × 12.4 cm H
LI-870 CO2/H2O Analyzer
Soil Gas Flux System from LI-COR Environmental
Measure CO2 flux from soils with the LI-870, a proven, dedicated gas analyzer that is compatible with the Smart Chamber and LI-8250 Multiplexer.

About LI-870 CO2/H2O Analyzer
The LI-870 CO2/H2O Analyzer is a versatile analyzer for publication quality data that is simple to deploy, use, and maintain. A combination of precision and stability alongside a rugged and fieldable design makes it ideal for survey and long-term research focused on fluxes of soil CO2.
The LI-870 delivers rapid CO2 flux measurements with great precision while being light enough (2.31 kg) to carry all day without wearing you out. The LI-870 maintains that same speed and precision even when tasked with making long-term measurements in harsh conditions.
The LI-870 has low power requirements (5W average with pump after warmup) and is powered by the Smart Chamber for survey measurements or the LI-8250 Multiplexer in a long-term system. The weatherproof case houses the weather, dust, and splash resistant components with a user-serviceable optical bench that does not require factory recalibration.
Why choose LI-870 CO2/H2O Analyzer
Measurement Rate: 1 measurement per second (1 Hz)
Temperature: –20 to 45 °C, without solar loading
Humidity: 0 to 95% RH, non-condensing
Pressure: 50 to 110 kPa
Measurement Principle: Non-dispersive infrared (NDIR)
Related products

LI-8250 Multiplexer
For long-term multiplexed soil gas flux measurements, the LI-8250 Multiplexer is a system controller for soil gas flux systems.

8200-01S Smart Chamber
For soil survey measurements, the Smart Chamber provides fast, repeatable measurements of CO2, CH4, and N2O gas flux when used with LI-COR gas…
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Other Products in Soil Gas Flux Systems
Explore other products available within the same product category and open each page for complete technical details.
LI-8250 Multiplexer
For long-term multiplexed soil gas flux measurements, the LI-8250 Multiplexer is a system controller for soil gas flux systems.
8200-01S Smart Chamber
For soil survey measurements, the Smart Chamber provides fast, repeatable measurements of CO2, CH4, and N2O gas flux when used with LI-COR gas…
