Brewing breakthrough

A sensor that measures dissolved oxygen in beer products has been unveiled by the Process Analytics arm of Mettler Toledo.

Dissolved or residual oxygen can affect the quality and shelf life of beer – problems which the company has addressed with its chemo-optical technology. The sensor, called the InPro 6970i, is also said to reduce beer wastage, maintenance and calibration times.
“Long calibration intervals and easy and fast calibration routines result in high operational availability of the system, says the company. It goes on:“Interruptions of the filling process are very short, and so the time available for sensor maintenance is brief. However, the optical oxygen sensors are easy and fast to maintain, leading to enhanced process safety and low cost of ownership. Reduced signal drift and faster response time compared to amperometric sensors guarantee maximum accuracy of the oxygen measurement and allow for enhanced process control.

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