High-precision and simultaneous H2 and CH4 measurements
LI-7835 H2/CH4/H2O Trace Gas Analyzer
Take direct, specific, and accurate H2 measurements with the LI-7835 H2/CH4/H2O Trace Gas Analyzer from LI-COR
Take direct, specific, and accurate H2 measurements with the LI-7835 H2/CH4/H2O Trace Gas Analyzer from LI-COR. The LI-7835 allows you to take simultaneous measurements of hydrogen and methane in air and is the latest analyzer in the LI-COR Trace Gas Analyzer family. Contact LI-COR Environmental to learn more!

About LI-7835 H2/CH4/H2O Trace Gas Analyzer
The LI-7835 H2/CH4/H2O Trace Gas Analyzer provides direct and precise trace concentration measurements of both gaseous H2 and CH4 simultaneously. Its measurements automatically compensate for humidity and report gas concentrations in dry mole fractions at ppm precision and 1 Hz data rate.
As the newest analyzer in the trusted LI-COR Trace Gas Analyzer family, the LI-7835 upholds the same high standards and capabilities you’ve come to expect. It takes direct, accurate, and selective gaseous H2 measurements with strong specificity and responds in seconds. It also features a durable, weather-resistant design and low operation costs that make it suitable for your work, wherever it may take you.
The LI-7835 offers simultaneous and selective H2 and CH4 measurements needed for a broad range of applications from lab to field. The evidence of its precision and specificity is reflected in its measurement data.
Why choose LI-7835 H2/CH4/H2O Trace Gas Analyzer
Automatic water vapor correction and reports in dry mole fractions
Access to real-time concentration data on phone or tablet
Battery-powered, portable design with low operation costs
Response Time (T10-T90): ≤ 3 seconds
5 ppm at 500 ppm with 1 second averaging
LI-7835 H2/CH4/H2O Trace Gas Analyzer in detail


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LI-7820 N2O/H2O Trace Gas Analyzer
The LI-7820 measure N2O and H2O in air with high precision and stability using optical feedback cavity enhanced absorption spectroscopy.
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Other Products in Trace Gas Analyzers
Explore other products available within the same product category and open each page for complete technical details.
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