KELLER Pressure
Your Swiss Pressure Sensing Specialist

since 1974


KELLER – The leading manufacturer of pressure transducers and transmitters

KELLER is known for Swiss quality and precision. Ever since being established, the company has developed and produced its products at its facilities in Winterthur. Sales engineers are on hand to provide expert advice in your native language, with more than 480 employees all around the world helping to make the company a success. All of this makes KELLER the leading manufacturer of pressure transducers and pressure transmitters, certified to ISO 9001.


High-precision, piezoresistive pressure measurement technology in a wide array of designs

As its core business, KELLER manufactures and sells more than 1,3 million pressure measuring cells every year. With pressure ranges from 5 mbar up to 2000 bar and a wealth of experience behind every product, KELLER solutions can be used in all manner of applications. The customer's wishes are always our key focus. For more than 45 years, we have been pairing expertise with innovative spirit to find the right solutions for each individual application.


The KELLER product solutions for your industry

KELLER sensors focus on solutions, whatever the specialist area where your challenges lie. They measure the groundwater level. They know when your beer tank is running empty. They identify how efficiently your motors are running. Put KELLER to the test.

Exhibitions and Events

Experience the top quality of KELLER

Every year KELLER participates in numerous trade fairs and other events around the world. Convince yourself of our products performance, discuss your pressure measurement application with us or find an open ear for your questions and concerns. We look forward to the interaction and will be there to help.


News and Blog

Stay in the know

KELLER never stands still. In our news section, you can find out what KELLER has been up to. Our blog tells the stories of the people behind KELLER. Come and find out what's keeping us busy.

Corporate Film

The KELLER Company Short Film

The name KELLER has been synonymous with high-precision pressure measurement technology since 1974. Boasting a wealth of experience built up over almost half a century, KELLER Pressure is now presenting a short film that offers some very personal insights into the heart of the company.

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