... high reliability and durability Sulfuric acid flow meter (98%) with 4~20mA output formCharacteristics:1. l Measurement flow of liquid, gas, steam, ropy mediums ... flow meter,gas flow meter,liquid flow meter,steam flow meter etc.B,Flange ,clamp,thread inserted connection etc.C,4~20mA,pulse,0~10V,RS485,HART etc. SBL ...