OPTISWITCHes are available in a number of variants: with short and long paddles, coated and uncoated, and made of various metals and alloys. The OPTISWITCH 5000 is designed for liquids; typical applications are overflow and dry-run protection. The OPTISWITCH 3000 supplements the KROHNE product range in this sector by switches for solid materials, mainly particulates with a bulk density upwards of 0.02g/cm3.
