... tern Air flow meter (Good quality,low price)Specifications:A,SBL digital flow meter,intelligent flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B ... , anti-acid, corrosion resistant, portabilitySBL target flowmeter with digital display is a completely new force ... in traditional flowmeters such as target flowmeter, orifice flowmeter and vortex flowmeter, but also a measurement accuracy ...