... .5",3",3.5",4",4.5",and 6"pressure range:-6...0 mbar up to 0...400 barsocket ... ,LM or CBMcapsule material:316 ss phosphor brassconnection way:back connection,bottom connection ,and clamp fixing,falaned fixing thread,hose etc ... .connection thread:NPT,BSP,BSPT,PT,ZG,and other ... centigrade;relative humidity below 80% dual scale diaphragm pressure gauge 0-30PSI