Profile: FloScan Instruments Co., Inc. is a manufacturer of fuel flow instrumentation for permanent installation of diesel and gasoline engines. Our products include diesel and gas models. Our series 6500/6600 cruiseMaster is available for most diesel engines rated from 25 hp - 2000 hp. It fits most diesel engines rated from 25 hp to 2000 hp. It is equipped with microprocessor based electronics with user adjustable calibration for superior accuracy. Our gas model series 5500 contain a self contained totalizer with permanent LCD display records fuel consumed up to 99,999 gallons. It is also equipped with flow sensor with solid state signal generator for maintenance free use.this series fits for all carbureted inboard and stern drive engines up to 350 hp.