Piezo Switch

Piezo Switch Piezo Switch Piezo Switch Piezo Switch Piezo Switch
Piezo Switch Piezo Switch Piezo Switch Piezo Switch Piezo Switch

About piezo switch

Conventional electromechanical switches have moving parts that inevitably wear out
The reliability of the electromechanical switches can be reduced by contaminants such as moisture and dust that will foul contact points
The solution is a Piezo Switch with no moving parts

How a Piezo switch works?

2 Wire leads

Finger pressure is applied to the surface of the switch-housing which deflects about 2 microns.
This pressure activates the piezo crystal that converts this pressure to an electrical signal that is amplified by electronics imbedded within the housing.

LANGIR Piezo Technology

Piezo switch Piezo switch Piezo switch Piezo switch

The LANGIR® technology is based on a single VPM (Versatile Piezo Module) mechanically assembled without the use of adhesives nor soldering. The VPM is encapsulated in a metal, one piece construction housing, custom designed or as per industry standard, creating the most reliable and durable switch and keypad.
The LANGIR® product line spans from single switches via a variety of keypads and control panels to full size keyboards. Virtually indestructible the LANGIR product line is rugged, sealed, tamper and vandal proof, with metal housing and solid state electronics featuring unprecedented durability and reliability.

LANGIR Piezo Technology Applications

We manufacture over 4000 custom made products covering a full spectrum of applications: Food Processing • Petroleum Dispensing • Clean Room Interfaces • Internet Kiosks • Access Control • Fluid Dispensing • Mining Equipment • Emergency Call Systems • Dairy Equipment • High-End White Appliances • Oceanographic Instruments • Elevators • Conveyers • Car wash • Weighing Devices • Military applications and many more

Technical Characteristics:

Mechanical Specifications:

  • Water Resistance: Up through IP68
  • Connection: Wireleads PVC wires 30cm 24AWG
  • Materials: Aluminum & Stainless Steel
  • Minimum Actuation Force: 5 – 15N+ (Typical)
  • Mechanism: 100% Solid-state, No Moving Parts
  • Operational Life: +20mm cycle, -40C to 70C (Typical)

Functional Operation Specifications:

  • Momentary / Latching
  • Normally Open / Normally Closed
  • Impact: 1kg Shock Test
  • Make / Break via Transistor

Electrical Specifications:

  • Voltage:
    Standard 200mA 24VAC/DC – option 1A 24VAC/DC
    NC functions standard 100mA 24VAC/DC or per customer specifications
  • LEDs Voltage: 12V DC Standard
  • Current: 200mA or per customer specifications
  • Contact Resistance: None
  • Contact Bounce: None
  • EMI/RFI: No Effect

Wiring Schemes:

2 Wire leads3 Wire leads

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