Precision Sensors
  Altitude Pressure Switches
Altitude Pressure Switch

Altitude Pressure Switch A37C Series

The A37C is our smallest and lightest skeletal (no pressure fitting) altitude switch. It features a Ni-Span-C capsule for superior set point stability over a wide range of temperatures. Three standard mounting options are available: diamond bracket (shown), side bracket and integral tapped holes. High proof pressure versions plus various electrical ratings are available.



Altitude Pressure Switch A37C Series

Media Air or Inert Gas
Type Factory Set
Sensor Type Capsule
Available Settings 2.0 to 30 PSIA
Deadband 0.3 to 1.0 PSIA
Repeatability ± .2 PSIA + 0.5% of Setting
Proof Pressure 30 PSIA
Operating Temp. Range -65° F to 160° F
Pressure Interface None (Ambient Sensor)
Typical Weight .063 lb
Electrical Rating Up to 7Amps @ 28 VDC
Electrical Connections Solder Terminals
Free Leads
Qualification Consult Factory
Warranty 18 Months
Options Dual Switches
Proof to 120 PSIA
Settings to 75 PSIA
  • Ni-Span-C capsule reduces setpoint shifts caused by temperature changes
  • Easy to install - no plumbing to hook up 
  • Light Weight - less than 1.0 oz (29 grams)
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  340 Woodmont Road
Milford, CT 06460
Tel: (203) 877-2795
Fax: (203) 877-8752