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High-Performance Sensing Elements

From ruggedized pressure switches to pressure transducers to metal bellows assemblies, Sigma-Netics designs and manufactures sensing elements for the world's most demanding industrial, military and aerospace applications.

Rugged Pressure Switches

Contaminants, temperature extremes and heavy vibration won't stop our ruggedized pressure switches. Our compact pressure switches perform day in and day out in the harshest operating environments.

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Pressure Transducers

Pressure Transducers

Whether high pressures, radiation or fatiguing conditions—it doesn’t matter. Our ruggedized pressure transducers stand up to the toughest industrial and aerospace applications, providing high accuracy and reliability.

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Precision Metal Bellows

Not all metal bellows are created equal. We specialize in the production of high-quality hydroformed and electroformed metal bellows that meet the most exacting quality standards and performance requirements.

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Technical Resources

Featured Video

Bellows for Temperature Switching


White Papers

How To Make Pressure Switches That Last

Pressure Switch White Paper

Simple design principles for harsh operating conditions
Our latest white paper takes a closer look at some design principles of ruggedized pressure switches.

→ Download the white paper.

Technology News

Read about news, technical advances and design best practices related to pressure switches, metal bellows and bellows assemblies.

→ Visit blog.

Data Sheets


Sigma-Netics Data Sheets

Download pressure switch and metal bellows data sheets and product catalogs.


→ Download Data Sheets

Select Products

Upload a drawing and application info, and we'll get you a quick quote on pressure switches, pressure transducers, metal bellows and bellows assemblies.

→ Request a quote for pressure switches

→ Request a quote for pressure transducers

→ Request a quote for metal bellows


Sigma-Netics provides sensing technologies for a diverse collection of OEM applications, including:

  • Military and Aerospace
  • Industrial
  • Heavy Equipment
  • Oil and Gas
  • Instrumentation
  • Medical

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