Open Path CH4 Analyzer

LI-7700 Specifications

• Resolution (RMS noise): 5 ppb @ 10 Hz and 2000 ppb CH₄
• Measurement Range: 0 to 25 ppm @ -25 °C, 0 to 40 ppm @ 25 °C
• Data Communication: Ethernet (up to 40 Hz)
• Detection method: Wavelength Modulation Spectroscopy 2f detection
• Linearity: Within 1% of reading
• Operating Pressure Range: 50 to 110 kPa
• Output Bandwidth: up to 20 Hz
• Operating Temperature Range: -25 to 50 °C
• Power Requirements: 10.5 to 30 VDC
• Power Consumption: 8 W nominal, 16 W during cleaning cycle
• Dimensions:
  • Sensor: 14.33 cm dia (5.64 inches), 82.8 cm height (32.6 inches)
  • Optical Path: 0.5 m physical path (1.65 ft), 30 m measurement path (98.4 ft)
• Weight: 5.2 kg (11.5 lbs)
• User Interface: Windows®based software supports all setup, configuration, and calibration functions through Ethernet connection

7700-101 Mirror Cleaner Specifications

• Pump operating temperature range: -10 °C to 50 °C
• Weight: 3.2 kg (7 lbs)
• Dimensions: 44.5 × 32.8 × 15 cm (17.5 × 12.9 × 6 inches)
• Fluid capacity: 4 liters (1.1 U.S. Gallon)

Catalogue: PDF