LI-7700 Specifications*
LI-7700 Open Path CH4 Analyzer. Includes power and Ethernet cables, calibration fixture, washer assembly, mounting hardware, instruction manual, spares kit, carrying case, and software CD.
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 in), 82.8 cm height (32.6 in.)
- 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
LI-7550 Specifications
- Data Storage: Removable USB Storage Device. 4 Gigabyte Provided (expandable with user supplied Industrial Grade USB Flash Drive)
- Data Communication:
- Ethernet: up to 40 Hz
- Synchronous Devices for Measurement (SDM): up to 33.3 Hz
- RS-232: 57,600 baud, 20 records per second max.
- DAC: 0-5 V, 40 Hz
- Bandwidth: Up to 20 Hz
- Inputs: Ethernet, 4 analog inputs, differential ±5 V, 16 bit
- Operating Temperature Range: -25° to 50° C
- Power Requirements: 10.5 to 30 VDC
- Power Consumption: 10 W nominal
- Dimensions: 35 cm × 30 cm × 15 cm (13.8" x 12" x 6") external dimensions
- Weight: 4.4 kg (10 lbs)