Precision Sensors
  Differential Pressure Switches
Differential Pressure Switch

Differential Pressure Switch DA128S Series

For pressure settings as low as 1.0" H2O, this product features a large sensing area for exceptional sensitivity and accuracy. The diaphragm is silicone rubber to ensure accuracy over temperature and long life. Uses include critical air flow, filter and compartment Delta-P applications.



Differential Pressure Switch DA128S Series

Media - Low Side Air or Inert Gas
Media - High Side Air or Inert Gas
Type Factory Set
Sensor Type Polyimide, Silicone Diaphragms
Available Settings 1.0" to 5.0 " H2O
Deadband ± 0.2" H2O + 5% of Setting
Repeatability ± 0.1" H2O + 5% of Setting
Case Proof 5 PSIG
Differential Proof 1 PSID
Operating Temp. Range -65° to 160° F
Pressure Interface Barb Fittings
MS Fittings
Electrical Rating Up to 7 Amps
Electrical Connections Mil Connectors
Free Leads
Typical Weight 1.5 lbs
Qualification Consult Factory
Warranty 18 Months
Options High Temp. + 250°F,
  • Settings down to 1.0" H2O
  • ± 0.1" accuracy of low pressure
  • No age-controlled elastomers
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  340 Woodmont Road
Milford, CT 06460
Tel: (203) 877-2795
Fax: (203) 877-8752