Online dissolved CO2 analyzer

Principle

CARBOTEC continuously measures the content of dissolved carbon dioxide in liquids. Designed for applications that require maximum sensitivity and high accuracy, this device is used in the food and beverage industry all around the world. Breweries and soft drink manufacturers determine and control the CO2 content in their products with CARBOTEC. For measuring carbon dioxide, the carbonated liquid flows through the sensor head (measurement chamber). Several times per minute the chamber is closed and its volume is rapidly increased. This expansion generates a gas phase in the chamber. The large partial pressure difference of CO2 forces the carbon dioxide out of the liquid into the gas. This fundamental scientific principle is described by “Henry’s Law”. Within seconds pressure equilibrium in the measurement chamber is reached. The equilibrium pressure differs from the pressure of a non-carbonated liquid according to the volume of dissolved CO2 in the sample. Thus, the CO2 content can be determined. Any temperature drifts of the measured signal are automatically compensated by an internal Pt100 sensor. After the measurement the sample is completely returned to the product without any loss.

 Characteristic

· Available as Transmitter Version with Local Display 

· Highly Precise and Fast Measurement of Dissolved CO2 

· Several Short Measurement Cycles per Minute 

· Short Response Time and Excellent Long-Term Stability 

· Hygienic Execution and Full CIP Capability 

· Easy Maintainable within a Few Minutes 

· Outstanding Price-Performance-Ratio

Technical Data                  

CARBOTEC TR-PT

Measuring Range                                                                              0 - 10 g/l 

Accuracy                                                                                            ± 0,05 g/l

Repeatability                                                                                    ± 0,01 g/l

Response Time                                                                                 ≤ 20 s

Pressure of Operation                                                                    Max. 10 bar

Temperature of Operation                                                            - 10 - + 100 °C

Temperature Compensation                                                        Pt100

Material                                                                                              1.4404/AISI 316L, 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

Power Supply                                                                                   24 VDC