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Features and Benefits:
• Comprehensive system provides unparalleled performance for both isotopic liquid water and water vapor measurements
• Reports δ2H, δ17O, δ18O, d-excess, 17O-excess (and H2O in vapor mode) in real time
• High Throughput and High Performance modes in 1 system
• Switch between liquid and vapor measurements in seconds
• Highest accuracy water vapor
• Isotopic water vapor reported at high and low mole fractions
• Fast time response allows isotopic water vapor flux studies
• Enhanced Performance series provides unsurpassed stability and lowest drift
• Low power: 180 W (steady state)
• Widest temperature range: 0 - 45 °C (EP model)
Liquid Water Specifications
Precision: High Performance Mode δ2H: 0.2‰ (200 per meg) δ17O: 0.03‰ (30 per meg) 17O-excess: 20 per meg δ18O: 0.03‰ (30 per meg) Typical: High Performance Mode δ2H: 0.15‰ (100 per meg) δ17O: 0.02‰ (20 per meg) 17O-excess: 15 per meg δ18O: 0.02‰ (20 per meg) High Throughput Mode δ2H: 0.4‰ (500 per meg) δ17O: 0.1‰ (100 per meg) δ18O: 0.1‰ (100 per meg) Typical: High Throughput Mode δ2H: 0.3‰ (300 per meg) δ17O: 0.08‰ (80 per meg) δ18O: 0.08‰ (80 per meg) |
Throughput: over 800 injections per day (with Autoinjector) |
Sample Volume: 1 μL per injection |
Salinity: less than 4% |
Temperatures: Sample Temperature: 5 – 50 °C Operating Temperature: 0 – 45 °C |
Outputs: Digital (RS232), Ethernet, USB |
Power Requirements: 115/230 VAC, 50/60 Hz 180 watts total (steady state) |
Dimensions (analyzer): 11' H × 38' W × 22' D |
Weight (analyzer): 50 kg
Water Vapor Specifications |
Precision (12,000 ppm, 10 sec / 100 sec): δ2H: 0.5‰ / 0.2‰ δ17O: 0.15‰ / 0.05‰ (IWA-45EP only) δ18O: 0.15‰ / 0.05‰ [H2O]: 0.2% / 0.07% |
Measurement Rates: Up to 2 Hz (optional external pump required for 1/e flow time < 6 seconds) |
Maximum Drift: (15 min average at STP over 24 hrs) δ2H: 0.8‰ δ17O: 0.2‰ (IWA-45EP only) δ18O: 0.2‰ [H2O]: 0.1% |
Measurement Range: 4000 to 60000 ppm (non-condensing) (low-range option to 500 ppm or lower) |
Operating Range: 0 to 70000 ppm |
Sampling Conditions: Sample Temperature: -20 – 50 °C Operating Temperature: 0 – 45 °C Ambient Humidity: 0-100% RH (non-condensing)
Ordering Information:
IWA-912 (δ2H, δ18O, H2O) TIWA-912 (δ2H, δ17O, 17O-excess，δ18O，H2O)
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Manufacturer: ABB, Canada