CH4 Measurements
- Precision (1σ):
- 0.25 ppb with 5-second averaging
- 0.10 ppb with 5-minute averaging
- 0.05 ppb with 1-hour averaging
- Drift (1σ), 10 min avg, 8-hr: < 0.4 ppb
- Response Time (T10-T90) from 0 to 2 ppm:
- ≤ 2 seconds in Standard Configuration
- ≤ 3 seconds in High Altitude Configuration
- Range: 0 to 100 ppm
H2O Measurements
- Range: 0 to 60,000 ppm
- Precision (1σ):
- 20 ppm at 10,000 ppm with 5-second averaging
- 5 ppm at 10,000 ppm with 5-minute averaging
General
- Measurement Technique: OF-CEAS (Optical Feedback – Cavity Enhanced Absorption Spectroscopy) direct molecule measurements
- Measurement Rate: 1 sample per second (1 Hz)
- Optical Cavity Volume: 6.4 cm3
- Flow Rate:
- 250 sccm nominal in Standard Configuration
- 150 sccm nominal in High Altitude Configuration
- Total Weight: 18.2 kg (including batteries)
- Case Dimensions: 56 cm × 48.25 cm × 18 cm (D × W × H)
- Operating Temperature Range: -25 °C to 45 °C
- Operating Humidity Range: 0 to 85% RH (non-condensing, without solar load, under normal operating conditions)
- Sample Line Humidity Range: 0 to 99% non-condensing
- Operating Pressure Range:
- 70 to 110 kPa in standard and reduced flow rate configuration
- 50 to 110 kPa in high altitude configuration
- Connectivity: Ethernet TCP/IP; RJ45 connector
- Power Consumption:
- Steady State Operation: 22 Watts at 25 °C without batteries charging
- Warmup: Up to 100 W with batteries charging
- Power Supply Adapter (included): Universal Power Adapter (Input: 100 to 240 VAC, 50-60 Hz; Output: 24 VDC)
- Battery Life: 8 hours typical with 2 batteries
- U.S. Patents: 8,659,758; 8,665,442; 8,885,167; 9,116,047; 9,194,742; 9,304,080; 9,581,492; 9,678,003; 9,759,654; 9,759,655; 9,989,729; 10,514,299; 10,527,492 and 11,441,944.
External pump
- Dimensions: 17 cm × 27 cm × 18 cm (D × W × H)
- Weight: 4.1kg
Specifications subject to change without notice.