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Product Name: High precision CO2 isotopic analyzer

Highly sensitive, accurate and fast analyzer for reliable measurement of δ13C, δ18O, CO2 and H2O.

Measurement made easy


ABBs Carbon Dioxide Isotope Analyzers meet all of these requirements. In addition, the availability of many value-added options extends the abilities of these units to include discrete samples (collected in bags or vials) and to automatically handle multiple inlet sources.

ABBs Enhanced Performance series incorporates proprietary internal thermal control for ultra-stable measurements with unsurpassed precision, accuracy and drift. Moreover, only ABBs analyzers provide reliable guaranteed measurements at mole fractions more than 20 times ambient levels.

ABBs patented OA-ICOS technology, a fourth-generation cavity enhanced absorption technique, has many advantages over conventional Cavity Ringdown Spectroscopy (CRDS) techniques such as being alignment insensitive, having a much shorter measurement time, not requiring tight control of cavity pressure and temperature, and not requiring expensive and power-consuming auxiliary elements.

The analyzer includes an internal computer that can store data practically indefinitely on its internal hard drive (for applications requiring unattended longer term operation), and send real-time data to a data logger through its analog and digital (RS232) outputs. Several optional features are available which improve the flow time response, allow multiple inlet sources, or provide for remote access and control of the analyzer via the Internet.

Features and benefits

  • Simultaneous measurements of δ13C:, δ18O:, CO and HO

  • Unprecedented stability, precision and low drift

  • Measurement rates selectable up to 1 Hz

  • Installed and operational in minutes

  • Batch operation via syringe injection option

  • Insensitive to hydrocarbons or HS

  • Extremely high dynamic range allows measurements of elevated CO

  • Unsurpassed reliability

  • Real-time diagnostics

Specification (air background)

Precision (1s, 1 second / 10 seconds / 100 seconds):

δ13C: 1.5‰ / 0.5‰ / 0.15‰

δ18O: 8‰ / 2.5‰ / 1‰

12CO2: 0.4 ppm / 0.15 ppm / 0.05 ppm

H2O: 100 ppm (60 sec) / 50 ppm (300 sec)

[Multiply precision specs by two (x2) for Ultraportable]

Maximum Drift (Enhanced Performance models) (peak-to-peak, 1 hr average over 24 hours):

δ13C: < 0.5

Total uncertainty (Ultraportable)

< 1%

Measurement Range (meets all specs):

CO2: 380 25000 ppm

H2O: 4000 60000 ppm

Operational Range:

CO2: 0 50000 ppm

H2O: 0 70000 ppm (non-condensing)

Measurement Rates:

User-selectable rates up to 1 Hz

Response time to register 95% of a step change:

10 seconds (flow response < 5 sec requires external pump)

Sampling Conditions:

Sample Temperature: -20 50 °C

Operating Temperature: 0 45 °C

Ambient Humidity: non-condensing (0 100% RH)


Inlet: 3/8 in.

Outlet (internal pump): ¼ in.

Outlet (optional external vacuum pump): ½ in.


Digital (RS-232), Ethernet, USB

Power Requirements:

115/230 VAC, 50/60 Hz

66 W [ultraportable model]

350 W [enhanced performance model]

Dimensions (H x W x D):

18cm (7) x 47 cm (18.5) x 36 cm (14) [ultraportable]

28cm (11) x 97cm (38) x 56cm (22) [benchtop]

40cm (15.75) × 48cm (19) x 61cm (24) [rackmount]


17 kg [ultraportable]

50 kg [benchtop]

68 kg [rackmount]


Ordering information

LGR-ICOS™ U-CCIA2-915 (Ultraportable)

LGR-ICOS™ CCIA2-912 (Enhanced Performance Benchtop)

LGR-ICOS™ CCIA2-911 (Enhanced Performance Rackmount)


Manufacturer: ABB, Canada

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