... for corrosive environments size:2",2.5",3",3.5",4",4.5",and 6"pressure range:-6...0 mbar up to ... ,falaned fixing thread,hose etc.connection thread:NPT,BSP,BSPT,PT,ZG,and other special specification availabletube/capsule material: 316 ss ... ):polycarbonate,and safety glass lens availabledial plate:single and dual scale(psi,kpa,mpa,bar,kg/cm2)availableaccuracy:+/- 3/2/3 ...