Indoor air quality and workplace monitoring
Gas Analyzer
LI-7815 CO2/H2O Trace Gas Analyzer
Gas Analyzer from LI-COR Environmental
The LI-7815 measures CO2 in air with high precision and stability using optical-feedback cavity enhanced absorption spectroscopy. It is designed for both outdoor and laboratory measurements.
Manufactured byLI-COR Environmental
Overview
About LI-7815 CO2/H2O Trace Gas Analyzer
The LI-COR LI-7815 CO2/H2O Trace Gas Analyzer Trace Gas Analyzer provides very stable and precise CO2 measurements for in-situ and portable application needs. CO2 measurements drift less than 0.2 ppm per 24-hour period with 0.04 ppm precision (1σ, with 5-second averaging) at 400 ppm CO2 in dry air at ambient temperature and pressure.
The LI-7815 CO2/H2O Gas Analyzer provides stable and precise CO2 measurements in a rugged, portable, and cost-effective design.
Thirty-day CO2 stability data from an LI-7815 CO2/H2O analyzer. A single instrument was operated outdoors continuously over the entire time period, measuring ambient air between stability checks. During stability checks, the analyzer was flushed for 10 minutes with tank gas (2 ppm CH4, 400 ppm CO2 mixed in air balance, 1% nominal concentration accuracy) and a time series data set was subsequently recorded for 10 minutes every 12 hours. The figure shows the mean value of the 10-minute measurements. Error bars represent a 1σ confidence interval (68%).
Key Features
Why choose LI-7815 CO2/H2O Trace Gas Analyzer
CO2 Capture, Utilization, and Storage (CCUS)
Response Time (T10-T90): all from 0 to 400 ppm
≤ 2 seconds in Standard Configuration
≤ 3 seconds in High Altitude Configuration
Range: 0 to 10,000 ppm
Works With
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