Precision Sensors
 
 
  Differential Pressure Switches
Differential Pressure Switch

Differential Pressure Switch DA79S Series

This low pressure product can be set to operate as low as 2.0" of H2Oand offers excellent performance in a relativly compact, light weight package. The sensing diaphragm is polymide, which provides long life and tolerates differential overpressure to 10 PSID. Silicone rubber can be substituted for extreme temperatures. Applications include: air flow control, filters and airborne wave guides.

 

Features  

Differential Pressure Switch DA79S Series

Specifications
Media - Low Side Air or Inert Gas
Media - High Side Air or Inert Gas
Type Factory Set
Sensor Type Polyimide Diaphragm
Available Settings 2 to 30" H2O
Actuation Value 0.4" H2O + 3% of Setting
Repeatability 1.25" H2O + 5% of Setting
Case Proof 10 PSIG
Differential Proof 10 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 0.45 lbs
Qualification Consult Factory
Warranty 18 Months
Options Low Temp. to -100°F,
Hi Temp. to +250°F,
Hermetically Sealed,
Wet/Wet operations
  • Accuracy to ± 0.4" H2O
  • On/Off bands to 1.25" H2O
  • Light weight, only 7oz
  • No age controlled elastomers
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