Optical carbon dioxide sensor CARBOTEC NIR

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SKU: CARBOTEC NIR

Manufacturer: Centec

Availability: Order only

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CARBOTEC NIR is a precision industrial carbon dioxide sensor for measuring the "true" CO2 content in beer, carbonated beverages, spirits, carbonated food and dairy products. Dissolved CO2 has a great influence on the quality and taste of the product. Also used in the pharmaceutical, chemical, biotechnology, electronics and semiconductor industries.


Description

Description

CARBOTEC NIR is a very accurate sensor for continuous measurement of dissolved CO2, designed for applications requiring maximum sensitivity and highest accuracy. It is easy to operate and requires little or no maintenance.

Advantages of the CARBOTEC NIR carbon dioxide sensor:

  • Optical technology based on Attenuated Total Reflection (ATR)
  • Determination of “true” carbon dioxide content not influenced by other gases
  • Short response time and excellent long-term stability
  • Highly accurate and virtually maintenance-free
  • Various flange connections available
  • Hygienic execution and full CIP capability

The new generation of CARBOTEC NIR sensors is based on Attenuated Total Reflection (ATR) technology. Near infrared (NIR) light is transmitted through a sapphire crystal. The NIR light reflects several times on the inner surfaces of the crystal, while the outer surfaces are in contact with the carbonated liquid. Since CO2 molecules absorb the specific wavelength of the transmitted light, each reflection decreases the intensity according to the CO2 content in the product. The sensor provides the “true” carbon dioxide content, as quantified by the NIR absorption. The measurement result is neither influenced by other gases in the product not by its colour, turbidity and viscosity. Due to the absence of moving parts, the instrument is virtually maintenance-free. Any temperature drifts of the measured signal are automatically compensated for by an internal Pt100 sensor.

Technical Data 

Repeatability  ± 0.02 g/l
Response Time  ≤ 3 s
Pressure of Operation  max. 10 bar
Temperature of Operation  - 10 -  85 ° C
Temperature Sensor  Pt100
Material  1.4404 / AISI 316L, sapphire glass, EPDM (FDA), PTFE (FDA)
Connections  compatible to Varivent inline-housings DN65 - DN150; others on request
Input  6 x digital (24 VDC)
Output  3 x digital (24 VDC) & 2 x analog (4 - 20 mA)
Profibus DP option
Enclosure Rating  IP65
Specifications

Specifications

Application areaPharmaceuticals, Food production, Brewing, Beverages, Dairy industry
TypeIndustrial
IndustryPharmaceutical, Chemical, Food and Beverage, Semiconductor
ParametersCarbon dioxide
Measurement Range0 - 10 g/l CO2
Accuracy± 0.1 g/l
Power supply24 VDC
Operating temperature range-10 - 85 °C
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