... meter (LCD display), can anti-impurity&sticky&corrosion high reliability and durability high accuracy Nitrate flow ... maintain.13.anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability. Specifications:A,SBL digital flow meter,intelligent ... .13,anti-interfere, anti-impurity, anti-acid, corrosion resistant, portabilityTechnical data:Nominal Diameter:6-4000mmNominal pressure:-0. ...