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CH₄ /CO₂ /H₂O Trace Gas Analyzer

Model : LI-7810

LI-7810 CH₄/CO₂/H₂O Trace Gas Analyzer The LI-7810 delivers exceptionally stable and precise CH₄ measurements. The instrument is ideal for atmospheric CH₄ monitoring, combined CH₄ /CO2 soil gas flux measurements, and high-precision methane measurement applications.

The LI-7810 delivers exceptionally stable and precise CH₄ measurements. The instrument is ideal for atmospheric CH₄ monitoring, combined CH₄/CO₂ soil gas flux measurements, and high-precision methane measurement applications. With low power requirements and high precision measurements, the analyzer can be used for a wide range of applications and in a wide range of environments.

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Benefits

Small form factor makes them ideal for a laboratory or instrument rack

  • Low power requirements for off-grid deployments
  • Hot-swappable batteries for uninterrupted
  • long-term battery-powered operation
  • External power adapter for operating from AC power and charging the batteries
  • Small optical cavity for fast response to quickly changing concentrations
  • Lightweight and easy to carry by hand or with the optional backpack kit

Easy to use

  • Connect to the gas analyzer with a smartphone, tablet, or PC using the web browser—no apps or external programs needed
  • Software designed for quick access to measurement data, status information, and configuration options
  • Built-in storage to record three months of data
  • Easily retrieve data as text files, either through the interface or with MQTT/TCP IP
  • Support for direct connection to a PC or Ethernet-compatible datalogger for extended data transfer and storage options
  • For soil flux measurements, easily integrates with the Smart Chamber and LI-8250 Multiplexer for survey and long-term soil gas flux measurements
  • Ready to interface with GCWerks software for long-term monitoring systems

Specifications

Specifications

N₂O Measurements

Response Time (T₁₀-T₉₀):
all from 0 to 330 ppb
≤ 2 seconds in Standard Configuration
≤ 3 seconds in High Altitude Configuration

Range: 0 to 100 ppm

Precision (1σ):
0.40 ppb at 330 ppb with 1 second averaging
0.20 ppb at 330 ppb with 5 second averaging

Maximum Drift: < 1 ppb per 24-hour period

H₂O Measurements

Range: 0 to 60,000 ppm

Precision (1σ):
45 ppm at 10,000 ppm with 1 second averaging
20 ppm at 10,000 ppm with 5 second averaging

Specifications subject to change without notice

 

Applications

Applications

Applications The LI-7810 is ideal for a range of applications—from atmospheric CH4 monitoring to mobile monitoring, to soil CH4 and CO2 flux measurements. It easily connects to the Smart Chamber or LI-8250 Multiplexer for survey or long-term soil CH4 /CO2 gas flux measurements.

  • Atmospheric monitoring
  • Soil gas flux measurements
  • Mobile measurement systems
  • Wetland and lake emissions
  • Small volume injections
  • Sampling from flasks
  • Urban emissions monitoring
  • pCH4 measurement systems
  • Sensor networks
  • Large area emissions monitoring
  • Fugitive emissions detection
  • High altitude sites

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