Precision Sensors
  Absolute Pressure Switches
Absolute Pressure Switch

Absolute Pressure Switch E48W Series

The E48W series absolute high purity pressure switches offer accurate, repeatable switching for monitor/control and alarm/shut down protection.  Specifically designed for high purity gas systems, and to operate at pressure points referenced to absolute zero. These products should be specified when changes in atmospheric pressure would have an adverse effect on switch operation or when hermetically sealed contacts are required.


Absolute Pressure Switch E48W Series

Available Settings 10 to 150 Torr
Deadband 20 Torr + 5% of Setting
Repeatability ± 5 Torr + 2% of Setting
*Internal Volume 2.22 CC
**Proof Pressure 0 psia - 15 psig
Operating Temp.  Range 0° to 130° F
Finish 5 Ra
Wetted Materials 316L per F20
Media Connections

1/4" end seal type
NW25 flange
1.125" "C" Seal

Electrical Connections Free Leads
Crimp Type Connectors
D Sub
Min. Operating Life 1 Million cycles
Approvals UL, CE, ISO 13849
Warranty 36 Months
*With 1/4" male end seal type
**Higher proof pressure available


  • Tamper proof (factory) setting
  • Welded construction
  • Secondary seal for added protection
  •  RoHS Compliant
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  340 Woodmont Road
Milford, CT 06460
Tel: (203) 877-2795
Fax: (203) 877-8752