646GZE Series Pressure Switch

[list] [li] [b]Adjustable Set Point Range[/b]: [list] [li] Increasing Vacuum: 3.5 to 28.5 Inches Hg, 89 to 724 mm Hg[/li] [li] Decreasing Vacuum: 1 to 26 Inches Hg, 25 to 660 mm Hg [list] [/list] [/li] [/list] [/li] [li] [b]Deadband[/b]: Approximately 2.5 Inches Hg, 64 mm Hg [/li] [li] [b]System Pressure (Maximum)[/b]: 150 psig, 1034.21 kPa, 10.3 bar[/li] [li] [b]Proof Pressure[/b]: 250 psig, 1723.69 kPa, 17.2 bar[/li] [li] [b]Wetted Materials[/b]: [list] [li] [b]Pressure Port:[/b] 1/2" FNPT 316 Stainless Steel[/li] [li] [b]Diaphragm:[/b] Polyimide[/li] [li] [b]O-Ring:[/b] Viton[/li] [/list] [/li] [li] [b]Relay[/b]: SPDT or DPDT[/li] [li] [b]UL, CSA[/b] [list] [li] Explosion Proof - Class 1, Div/Zone 1, Groups A, B, C and D[/li] [/list] [/li] [li] CRN, CE Mark, Dual Seal[/li] [/list]