KELLER AG für Druckmesstechnik
Your Swiss Pressure Sensing Specialist
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 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, 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.
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.
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.