Series APS/AVS Adjustable Pressure Switch

Brand: Dwyer Instruments, LLC

Miniature Series APS/AVS Adjustable Switches offer reliable switching for pressure/vacuum alarm, shutdown or control.

The units are readily adjustable throughout their range using the locking adjusting ring and indicating pointer.

The body is constructed of stainless steel for durability in harsh environments. Switches include 12" (30 cm) wire leads sealed with epoxy for additional protection.
Features
  • Field adjustable with simple indicating pointer reduces installation time bring application on-line faster
  • Stainless steel construction provides a durable solution in harsh environments

Specifications

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • UR

Deadband

  • psi: 0.8 to 22 (kPa: 5.5 to 152, bar: 0.05 to 1.52)

Electrical Connectors

  • 20 AWG Insulated with PVC, 12” (30 cm) Length

Electrical Rating

  • 3 A at 28 Vdc
  • 5 A at 250 Vac

Enclosure, Body Material

  • Capsule: 631 Stainless Steel (17-7 PH)

Media

  • Gas
  • Liquids & Gases

NPT Connection

  • 1/8” NPT Female

Process Connection Material

  • 303 Stainless Steel

Proof Pressure

  • 150 % of Range

Sensor / Probe Connection

  • 3-Wire

Set Point - Decreasing

  • bar: 0.05 to 33
  • Inches Hg: 1.6 to 27.1
  • kPa: 5.5 to 3,300
  • psi: 0.8 to 485

Set Point - Increasing

  • bar: 0.11 to 34
  • Inches Hg: 2.7 to 28.2
  • kPa: 11 to 3,400
  • psi: 1.6 to 500

Switch Type

  • SPDT Snap-Action

System Pressure

  • bar: 51.71
  • kPa: 5,171
  • psi: 750 (For 20 to 500 Increasing Range)

Temperature Range

  • -54° to 107° C (-65° to 225° F) (A Set Point Change of up to 2 % when used Below -23° C (10° F) or Above 52° C (125° F)

  • OEM
  • Compressors
  • Motor Control
  • Process Equipment
  • Pump Control
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