Adjustable Range : 760 to 100 mm Hg Vacuum Enclosure : IP 54, IP 65, IP 66 & Flameproof Pressure Housing : Aluminium, Brass or, SS 316 Diaphragm : Neoprene, Teflon or, SS 316 Differential : Adjustable from 100 to 500 mm Hg Max. Working Pressure : 12 bar Switch type : 1 no. SPDT snap action micro switch Switch rating : 5A, 250V AC Or, 0.2A, 250 V DC Cable Gland : 3/8” Cable Entry Calibration Scale : Optional Pressure Port : 1/4” BSP (F) Repeatability : 1% FSR