Performance Specifications

Precision (1s, 10 sec / 100 sec):

δ²H: 0.5‰ / 0.2‰

δ¹⁸O: 0.15‰ / 0.05‰

[H₂O]: 0.2% / 0.07%

Maximum Drift (15 min average, at STP, over 24 hrs):

δ²H: 0.8‰

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):

10-30 VDC, 115/230 VAC, 65 watts

Dimensions:

18.5’ x 14” x 7”

Weight:

15 kg

Ordering Information

U-WVIA-915（δ²H, δ¹⁸O, H₂O）

Manufacturer: ABB, Canada