
KELLER PRESSURE
A market leader in the production of isolated pressure transducers and transmitters
KELLER Pressure was established in 1974 by Hannes W. Keller, the inventor of the integrated silicon measuring cell. Today, his sons Tobias and Michael Keller run the business. The company is wholly family-owned and employs 500 staff.
KELLER Pressure feels a strong connection to its home of Switzerland. Its headquarters are where the value is added and where most of our employees work. All products bear a quality seal that stands for «Swiss Made», among other things, which is associated with expertise, quality, tradition and being grounded approach all across the world. These are the core values as a business – values embodied by the company and its products.
KELLER Druckmesstechnik AG, including KELLER Gesellschaft für Druckmesstechnik mbH in Jestetten, is certified to ISO 9001. This means that our measured values can be fully traced to national standards.
KELLER Pressure Subsidiaries
At home anywhere in the world
As a company that operates on an international scale, KELLER Pressure is represented at a number of locations around the globe. Because we are committed to offering the best service to our customers, you will always receive advice in your local language. KELLER Pressure has fourteen branches in Europe, Asia and the USA. Various representatives and distributors also support our branches in other countries.

Technology and Production
Piezoresistive pressure measurement technology made in Switzerland
Every year, KELLER produces more than 1,3 million high-grade measuring cells. From start to finish, our value chain is created at our headquarters in Winterthur, where we do everything from producing the individual parts to calibrating the sensor and carrying out the final checks on the finished product. This means that all KELLER products are 'Made in Switzerland' and customers can be sure that they are getting renowned Swiss quality.

Values and Vision
Strong roots meet sustainable development
KELLER Pressure strives not just to meet individual customer requirements, but also to ensure that the company develops in a sustainable way. This is underpinned by our commitment to promoting the independent development of our employees in both the personal and the professional realm.

Responsibility
Added value – by people, for people
KELLER Pressure focuses on strong networking and wants to be a company by and for people that not only acts as a financial backer, but also creates sustainable added value. KELLER Pressure places a special focus on projects that give people an opportunity for development.