BM 65 Diaphragm Switch for Hazardous LocationsThe BM 65 is a pressure switch used for level measurement and point level detection in bins, tanks and silos containing grain, seed, feed or other granular or pelleted materials. It offers UL Class II, Groups E, F & G explosion proof certification and can be used in hazardous environments where there is a risk of combustible dust. It provides automatic point level indication of free flowing dry materials and can be installed to detect high,