The devices of the series MEV283 are compact Oil Mist Detectors (OMD) for monitoring 4-stroke diesel engines. They are available in different versions and are characterized by long-term usage and simple installation on the crankcase breather.
The device monitors the actual oil mist concentration and crankcase pressure. For each of the two measured values, a galvanic isolated analog signal output 4 ... 20 mA is available.