... .2,use conveniently,kinds of indicator inside,popular Combined Diesel engine monitoring equipment for ship [Complete with kinds of sensors &installation ... oil pressure,water temperature, oil temp, Voltage, Hours,Time, give sound-light alarm, when RPM, oil pressure,water temp, oil temp ... );(4)be The essential instruments for all kinds of diesel engine.1. Measurement Range:RPM: 0 ~ 9999 RPM;Oil temp: - ...