Brief Introduction Suitable for accurate measuring of the low pressure in vibrative locate. Technical Specifications Execntive Standard:JB/T 9274-1999 Instruments Diameter:100mm,160mm Accuracy Class:100mm,160mm 1.6% Range:6kpa-100kpa Protection Class:IP65 Ambient Temperature:-40-+60Connection thread:100/160 outer diameter M20(M20*1.5) others see the table Instrument Case:SUS304 stainless steel nature color(option:polished case) Instrument socket:SUS316 nature clor(22mm stainless steel square) socket welded to case