Global Pressure Instrumentation Experts
KELLER is one of the original designers of the piezoresistive silicon pressure measurement technology and has been building upon that idea for over 40 years. As the last privately-held major pressure instrumentation manufacturer to be privately-held, KELLER has the freedom and flexibility to create new smart and capable instruments to meet the growing needs of product designers around the world.

KELLER pressure instrumentation has been used in aerospace, automotive, environmental, food an beverage, automation, water & wastewater, oil & gas, inventory management, processing, chemical, medical, and pharmaceutical industries and the list grows with each new innovation.

KELLER works directly with our customers to identify and build the ideal pressure measurement instrument for their application. KELLER can also provide existing products in various stages of completion to better accommodate the implementation process by the design engineers and systems integrators.

Combine our passion and innovation with your creativity. Contact KELLER today to create the ideal pressure measurement solution for your product design.

KELLER is a world -leading manufacturer of level and pressure measurement instrumentation with products ranging from OEM pressure sensors to wireless pressure transmitters. Headquartered in Switzerland, KELLER is built on a tradition of inspired design and fine craftsmanship. And, with subsidiaries in 11 countries and representation in 24 more, KELLER can provide global sales and support around the world. KELLER products are built to streamline your product development, reduce R&D costs, and shorten times to market.