![]()
Features and Benefits
• Only instrument to report δ2H, δ17O, δ18O and H2O simultaneously
• Automated dual-inlet operation provides unsurpassed accuracy, precision, and ease of use
• Highest precision, reliable measurements at 2 Hz
• High-resolution absorption spectra provide data validation and detailed system diagnostics
• Now available in LGR’s Ultraportable package
• Accurate measurements over an extremely wide range of mixing ratios and isotopic ratios
• Proven fast flow time response allows isotopic flux studies
• Enhanced Performance models provide measurements with negligible drift
• Insensitive to other ambient air constituents like methane or carbon dioxide
Performance Specifications
Precision (1s, 10 sec / 100 sec):
δ2H: 0.5‰ / 0.2‰
δ17O: 0.15‰ / 0.05‰
δ18O: 0.15‰ / 0.05‰
[H2O]: 0.2% / 0.07%
Maximum Drift (15 min average, at STP, over 24 hrs):
δ2H: 0.8‰
δ17O: 0.2‰
δ18O: 0.2‰
[H2O]: 0.1%
Measurement Rates:
Up to 2 Hz (up to 5 Hz, upon request)
Accuracy:
Total measurement uncertainty<0.1% (with WVISS)
Measurement Range:
4000 – 60000 ppm (non-condensing)
(measurements down to 100 ppm upon request)
Sampling Conditions:
Sample Temperature: -30 – 50 °C
Operating Temperature: 0 – 40 °C
Ambient Humidity: 0-100% RH, non-condensing
Outputs:
digital (RS232), Ethernet, USB
Power Requirements (steady state):
115/230 VAC, 50/60Hz, 200 watts
Dimensions:
11” × 38” × 22” (benchtop package)
14” × 19” × 24” (rackmount package)
Weight:
35 kg (rackmount package)
40 kg (benchtop package)
Ordering Information
WVIA-911(δ2H, δ18O, H2O)
WVIA-912(δ2H, δ18O, H2O)
TWVIA-911(δ2H, δ17O, δ18O, H2O)
TWVIA-912(δ2H, δ17O, δ18O, H2O)
Manufacturer: ABB, Canada