LI-840A Applications

The LI‑840A analyzer is well suited for continuous CO2/H2O monitoring applications that require accuracy, reliability, and ease of use. The LI‑840A is used around the word in a wide variety of applications including:


Indoor Air Quality Monitoring

Indoor Air Quality Monitoring

With configurable alarm relay outputs, the LI‑840A can monitor CO2 levels and trigger an alarm if concentrations get too high.

Building System Efficiency

Building System Efficiency

The LI‑840A can trigger demand-controlled ventilation systems at pre-determined CO2 or H2O levels.

Growth Chambers and Greenhouse Control Systems

Growth Chambers and Greenhouse Control Systems

The LI‑840A can be configured to trigger venting or injection of CO2 and/or H2O, keeping levels within a desired range.

pCO2 and Dissolved Inorganic Carbonates

pCO2 and Dissolved Inorganic Carbonates

The LI‑840A can be used to measure the partial pressure (pCO2) or total dissolved inorganic carbon (DIC) for calculating CO2 flux for a body of water.

Application Note
Process Control

Process Control

LI‑840A relays can trigger control devices such as pumps or valves, and generate audible alarms. Activated relays are indicated by LEDs on the analyzer.

Atmospheric Monitoring and Meteorological Studies

Atmospheric Monitoring and Meteorological Studies

The LI‑840A has the stability and durability to continuously monitor atmospheric CO2 and H2O. The included software facilitates configuration, control, data collection, and graphical data display.

For applications that require higher accuracy/precision see...

Other applications include:

Learn more about the following applications related to the LI-840A


Carbon SequestrationCarbon
Sequestration
Gas AnalysisCO2/H2O
Analysis
pCO2 / DICpCO2 / DIC urban fluxUrban Flux volcanologyVolcanology
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