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Specifications

General Specifications

  • Measurement Technique: OF-CEAS (Optical Feedback-Cavity Enhanced Absorption Spectroscopy)
  • Measurement Rate: 1 sample per second (1 Hz)
  • Optical Cavity Volume: 6.41 cm2
  • Flow Rate: 280 sccm (nominally)
  • Total Weight: 11.4 kg (incl. batteries)
  • Case Dimensions: 51 cm L x 33 cm W x 18 cm H
  • Operating Temperature Range: -25 °C to 45 °C (without solar load, under normal operating conditions)
  • Operating Humidity Range: 0 to 85% RH (non-condensing, without solar load, under normal operating conditions)
  • Operating Pressure Range: 70 to 110 kPa
  • Connectivity: Ethernet, Wi-Fi (not available in some countries)
  • Wi-Fi Compatibility: 2.4 GHz, 802.11g
  • Power Consumption: 20 W (at steady-state), up to 60 W (during warmup; up to 80 W during warmup, depending on temperature)
  • Power Supply: Universal Power Adapter (100 to 240 VAC input, 50-60 Hz; 24 VDC output)
  • Battery Life: 8 hours typical with 2 batteries

LI-7810 CH4/CO2/H2O
Specifications

  • Response Time (T10-T90): CH4 ≤ 2 seconds, 0 to 2 ppm
  • CH4 Measurements

  • Range: 0.1 to 50 ppm
  • Precision (1σ): 0.25 ppb w/ 5 sec. averaging
  • Max Drift: < 1 ppb per 24-hour period
  • CO2 Measurements

  • Range: 1 to 10,000 ppm
  • Precision (1σ): 1.5 ppm w/ 5 sec. averaging
  • H2O Measurements

  • Range: 100 to 60,000 ppm
  • Precision (1σ): 20 ppm w/ 5 sec. averaging

LI-7815 CO2/H2O Specifications
(Coming Soon)

  • Response Time (T10-T90): CO2 ≤ 2 seconds, 0 to 400 ppm
  • CO2 Measurements

  • Range: 1 to 10,000 ppm
  • Precision (1σ): 0.04 ppm w/ 5 sec. averaging
  • H2O Measurements

  • Range: 100 to 60,000 ppm
  • Precision (1σ): 20 ppm w/ 5 sec. averaging

Specifications subject to change without notice.

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