| 摘要 |
<p>It is provided an apparatus for detecting a transition from a first phase to a second phase in a processing line. The apparatus comprises a first sensor for gathering data indicating product concentration, a second sensor for gathering data indicating product concentration. The first sensor is placed upstream of the second sensor. Further, the apparatus comprises a control device configured to receive a first data set from the first sensor and a second data set from the second sensor, and to calibrate the second sensor by comparing the second data set with the first data set.</p> |
