1.water flow meter,water level meter 2.no movable ... remote control water flow meter (LCD display),water level meterSBL digital target flow meter is improved from traditional flow meters and ... vane-wheel, by-pass, orifice, differential pressure flow meter. It was widely used in fields of gas, ... flow up-down or down-up, for ordering, please note: right view, left view (showing gauge head water flow meter ...