Profile: Electronic Marine Systems, Inc. develops electric intercommunication systems. We design generator control systems for two generators with remote control and automatic transfer capability & monitors the lubricating oil pressure & cooling water temperature of each generator engine & the output voltage & frequency of each generator. Our bubbler is an electro-pneumatic level transmitter that allows remote level measurement using a 4-20mA analog output. We offer a sea switch, which features UPS DC power supply, FM approved beacon, FM approved horn and data logger.