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Part number

Dissolved Gas Measuring Module:
Carbo QC ME

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The combined CO2 and O2 measuring module CarboQC ME with Option O2 (Plus) determines the true amount of dissolved carbon dioxide and dissolved oxygen in beverages. Combine a CarboQC ME with Option O2 (plus) with a wide range of Anton Paar instruments to get the beverage analysis you need in one measuring cycle, with minimum sample preparation required. This teamwork brings quick and efficient results and saves space in the lab. The measuring module can only be used in the Anton Paar Generation M measuring systems PBA-S, PBA-SI, PBA-SD, PBA-SID, PBA-B, and PBA-W.

Key features

High accuracy, more benefit

  • CO2 measurement based on the patented Multiple Volume Expansion method guarantees repeatability standard deviations of 0.005 vol
  • No influence of other dissolved gases such as air or nitrogen
  • Accurate and repeatable O2 results because of the optical oxygen sensor

A strong partner

  • Reliable CO2 and O2 results, even out of small packages with a sample volume of only 150 mL
  • The measured CO2 content ist automatically used to correct parameters such as density to match your reference method - degassing is not required
  • The PFD filling device transfers sample from the package into the measuring chamber without any loss of CO2 and O2

TPO quick check

  • The TPO (total package oxygen) value can be calculated via the Option O2 (Plus) in the PBA Generation M systems.

Fit for the future

  • The standard configuration of beverage analysis with a DMA™ Generation M density meter, CarboQC ME, and PFD filling device is a solid investment
  • Anton Paar’s modular concept allows the flexible extension of measuring modules, e.g. Alcolyzer, pH ME, HazeQC ME, etc.
  • Create your system based on your requirements

Technical specifications

Measuring range
CO20–12 g/L (0–6 vol.) at 30 °C (86 °F)
0–20 g/L (0–10 vol.) < 15 °C (59 °F)
O20–4 ppm
Temperature –3 to 40 °C (27 to 104 °F)
CO2 measurement
Repeatability, s.d. 0.01 g/L (0.005 vol.) CO2
Reproducibility, s.d.0.05 g/L (0.025 vol.) CO2
O2 measurement
Repeatability, s.d. 2 ppb (in the range < 200 ppb)
Reproducibility, s.d.4 ppb (in the range < 1000 ppb)
10 ppb (in the range 1000–2000 ppb)
20 ppb (in the range 2000–4000 ppb)
Response time of the oxygen sensor
at 25 °C (77 °F)
(from air to nitrogen)
98 % of the final value in less than 30 s
Additional information
Sample volume approx. 150 mL for similar samples
Dimensions (L x W x H)
Option O2 incl. CarboQC ME:
Option O2 Plus incl. modular stand and PFD (Plus):

320 x 120 x 330 mm (12.6 x 4.7 x 13.0 in)

200 x 348 x 670 mm (7.9 x 13.7 x 26.4 in)
Option O2 incl. CarboQC ME:
Option OPlus:

approx. 3.7 kg (8.2 lbs)
approx. 0.35 kg (0.77 lbs)
Powersupplied by the master instrument of PBA-S, PBA-SD, PBA-SI, PBA-SID, PBA-B, or PBA-W Generation M
Interfaces2 x CAN



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