... advanced testing equipment high reliability and durability Sulfuric acid flow meter (98%) with 4~20mA output ... installation and maintain.anti-interfere, anti-impurity, anti-acid, corrosion resistant, portability. Specifications:A,SBL digital flow ... interfere, anti-impurity, anti-acid, corrosion resistant, portability Technical data:Nominal Diameter:6-4000mmNominal pressure:-0.1+70MPaTemperature ...