... as follows:1) Dial size: 1.5", 2", 2.5", 3", 3.5", 4", 6"2) Connection size: 1/8", 1/4 ... 1/2", 3/8"3) Connection threads: npt, bsp (g, pf), bspt (zg, pt)4) Material of the ... case and bayonet ring: stainless steel5) Material of the connection and internal: brass ... , cmHg or mmHg)7) Accuracy: 3% - 2% - 3% , ?.5%Inner Packing:Paper box, special printing acceptedOuter Packing:Cartons ...