Welcome to Inventive Systems Incorporated, the world's leader in the design and manufacture of Oil In Water alarms and monitors. If you are looking for a device that detects and measures the amount of oil in water, then you have come to the right place. Inventive Systems has been manufacturing oil in water detection systems since 1987 and has been in business since 1980. Over 1400 of our oil in water monitors and alarms have been sold in over 30 countries world wide. Our monitors and alarms are self cleaning and therefore need little maintenance. They are, of course, U.S. Coast Guard, American Bureau of Shipping (ABS)and IMO (International Maritime Organization MEPC.60(33)) approved. We manufacture weather proof, high temperature and explosion proof models and provide numerous options to satisfy all control applications.