Pressure Measurement.
Our Business.

Railway Bridge Statics 600.20 kN Slussen, Stockholm

KELLER AG für Druckmesstechnik
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 the company was established, it has developed and produced all its products at its facilities in Winterthur. Sales engineers are on hand to provide expert advice as native speakers of your local language, with more than 450 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 AG manufactures and sells more than 1,2 million pressure measuring cells every year. With pressure ranges from 5 mbar up to 2000 bar and a wealth of experience behind every product, the solutions from KELLER 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.


Experience the top quality of KELLER

Every year, KELLER AG presents its products at leading trade fairs for sensor systems and measurement technology all over the world. Whether you are looking to find out about new products or seeking advice on ideas and suggestions, KELLER's representatives 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 video

Get to know KELLER from different perspectives

Join us on a virtual tour through KELLER's production facilities and take a look at how pressure transducers and pressure transmitters are made.

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