... ,anti-alkaline,anti-impurity no movable part remote control sea water flow meterSBL digital target flow meter is improved ... -acid, corrosion resistant, portability, etc.are its features. 2008 Improved type target Flow MeterSBL digital target flow meter is ... combine microcomputer optimization and structure rationalization, we launch grandly 2008 upgrade version in 2009, which has a wider adaptability, ...