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Miniature Pressure and Vacuum Switches

Item# PSW-521

Miniature Pressure and Vacuum Switches

Capable of sensing very low positive or negative pressures, reliability and long life are inherent advantages of this design. Extremely easy set point adjustment: 1) Loosen the lock ring, 2) Turn interface either left or right until pointer is at the desire pressure or vacuum on range label, 3) Retighten the lock ring, and 4) Verify the adjustment by applying pressure or vacuum. See Switch Accessories at omega.com for Audible Alarms and Relay Modules.
PSW-521
  • External Pressure Scale and Pointer for Easy Setpoint Adjustments
  • 5 Amp Model Switches With High Proof Pressures
  • 1 Amp Gold-Plated Switches for TTL and Dry Contact Closures
  • Wetted Parts: Stainless Steel, Sealing Compound and or O-ring
  • Control Optional Audible Alarms or Relay Modules
Switch Type
Maximum Pressure
Pressure Port Size
Pressure Port Type
Deadband
Features
 This item is available for quick shipping
See All Options
Quantity Price each
1-9 $115.00
10-24 $109.25
25-49 $106.95
50-99 $102.35
100-199 $100.05
200+ $97.75

In stock

Lead Time ( If not in Stock): 2 weeks

Product Specs

  • Accuracy Piston (PSW-520 and PSW-540 diaphragm)
  • Maximum Rating 1
  • Pressure Type Gauge
  • Pressure Units PSIG
  • repeatability +/-0.6 to +/-10psig


Capable of sensing very low positive or negative pressures, reliability and long life are inherent advantages of this design. Extremely easy set point adjustment: 1) Loosen the lock ring, 2) Turn interface either left or right until pointer is at the desire pressure or vacuum on range label, 3) Retighten the lock ring, and 4) Verify the adjustment by applying pressure or vacuum. See Switch Accessories at omega.com for Audible Alarms and Relay Modules.

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