The Krohne OPTIWAVE 8300 Marine is a 2-wire 24 GHz radar (FMCW) level transmitter for non-contact level measurement in liquid cargo applications. The OPTIWAVE 8300 marine is a highly accurate and reliable instrument for measuring liquids, pastes and slurries. With its heavy-duty stainless steel housing, the level transmitter is designed to withstand the roughest weather conditions on ships.