Specifications:
CO2 Measurements
- Calibration Range: 0 to 3000 µmol mol-1
- Accuracy: Within 1% of reading
- Zero Drift (per °C):
- ±0.1 ppm typical
- ±0.3 ppm maximum
- RMS Noise (typical @ 370 ppm CO2 and 10 mmol mol-1 H2O):
- @5 Hz: 0.08 ppm
- @10 Hz: 0.11 ppm
- @20 Hz: 0.16 ppm
- Gain Drift (% of reading per °C @ 370 ppm):
- ±0.02% typical
- ±0.1% maximum
- Direct Sensitivity to H2O (mol CO2/mol H2O):
- ±2.00E-05 typical
- ±4.00E-05 maximum
H2O Measurements
- Calibration Range: 0 to 60 mmol mol-1
- Accuracy: Within 2% of reading
- Zero Drift (per °C):
- ±0.03 mmol mol-1 typical
- ±0.05 mmol mol-1 maximum
- RMS Noise (typical @ 370 ppm CO2 and 10 mmol mol-1 H2O):
- @5 Hz: 0.0034 mmol mol-1
- @10 Hz: 0.0047 mmol mol-1
- @20 Hz: 0.0067 mmol mol-1
- Gain Drift(% of reading per °C @ 20 mmol mol-1):
- ±0.15% typical
- ±0.30% maximum
- Direct Sensitivity to CO2 (mol H2O/mol CO2):
- ±0.02 typical
- ±0.05 maximum
General
- Analysis Type: Absolute, non-dispersive infrared spectroscopy
- Data Storage: 16 GB removable industrial grade USB storage device
- Data Communication: Ethernet, Synchronous Devices for Measurement (SDM; >50 Hz), RS-232 (115,200 baud; 20 records per second max), 6 DACs (0-5 V; 300 Hz)
- Inputs: Four analog input channels (differential; bi-polar; ±5 V; 300 Hz)
- Operating Temperature Range: -25 to 50 °C (-40 to 50 °C verification test available on request)
- Power Requirements: 10.5 to 30 volts DC
- Power Consumption: 12 W nominal (up to 30 W during startup)
- Detector: Thermoelectrically cooled lead selenide
- Bandwidth: 5, 10, or 20 Hz, user-selectable
- User Interface: Windows® based
- Cable length: 5 meters (all cables); 5-meter head cable extension available
Analyzer Head
- Size: 7.5 cm (36” diameter), 31 cm (12.2”) length
- Weight: 1.8 kg (3.95 lbs.)
LI-7550 Analyzer Interface Unit
- Size: 35 cm × 30 cm × 15 cm (13.8” × 12” × 6”)
- Weight: 4.4 kg (10 lbs)
7200-101 Flow Module
- Operating Temperature Range: -25 to 50 °C
- Power Requirements: 10.5 to 30 VDC
- Power Consumption: < 16 W nominal
- Flow Rate: 15 LPM nominal
- Size: 35 cm × 30 cm × 15 cm (13.8” × 12” × 6”)
- Weight: 6.15 kg (13.55 lbs)
Insulated Intake Tube
- Length: Up to 1 meter
- Inside Diameter: 5.33 mm
- Outside Diameter: 6.35 mm
Heated Intake Tube
- Length: 71.1 cm
- Inside Diameter: 5.33 mm
- Outside Diameter: 6.35 mm
- Operating Temperature Range: -40 to 50 °C
- Output Wattage: 0.1 to 6 W
- Heat Density Ratio (short tube to long tube): 2:1
- Weight: 0.54 kg (1.2 lbs)
7550-101 Auxiliary Sensor Interface
- Size: 11.5 cm × 6.5 cm × 4.2 cm (4.5” × 2.6” × 1.7”)
- Weight: 0.39 kg (0.85 lbs) including mounting bracket
Catalogue: PDF
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