We have Adjustable Vacuum Differential Switches. Range : 0 to 760 mm hg vacuum or, from 0 to 1 bar up to 0 to 400 bar differential (dead band) : adjustabletemperature range : 10 to 80 degree c (for high temperature use of impulse tube is advisable)accuracy : +- 1% to 2% fs no. Of switches : one no. Type of switches : micro switches - spdt switches of range 1 bar upto 400 bar & vacuum 5 a 250 v ac or, 0.2 a 250 v dc.switches of range 15 mm wc upto 2500 mm wc 2 a 250 v ac.sensing element : diaphragm (ptfe or neoprene) or pistonenclosure : dust proof (ip 40), weather proof (ip 54), water proof (ip 65), flameproof to group iiaiib or flameproof to group iic pressure housing aluminium, brass, ss 316 or, special on request process connection bsp (f), line mounting, surface mounting, vertical stacking or, special on request.diaphragm sealed switches : available in five types.set point indicating scale : optionalapplications : pressure & vacuum control applications in compressors and tanks for air, gases, liquids, steam etc.