... advanced testing equipment high reliability and durability Sulfuric acid flow meter (98%) with 4~20mA output formCharacteristics ... Easy installation and maintain.anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability. Specifications:A,SBL digital flow ... and maintain.13,anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability Technical data:Nominal Diameter:6 ...