Figure 1:  Figure 1:  When planning a modern 750-L fermentation plant including a cross-flow unit, the GEA Diessel company was looking for the best available measurement technology suited for its customer requirements. Attention turned to the new intelligent Arc sensors from Hamilton. After testing the Arc system, the plant engineer and GEA’s customer were convinced of the advantages of the new technology, deciding to use the Arc system in the fermentation plant. GEA Diessel and Hamilton were able to supply…