AS 5

H 2 keller-pressure.com KELLER H2-PORTFOLIO • Different accuracy classes depending on application • Selected stainless steel alloy for minimal material embrittlement • Gold-plated diaphragm to reduce H2 diffusion • Metal-to-metal seal process connection • Fully welded construction, no elastomer in contact with the medium • Excellent long-term stability and durability • ATEX-certified 23SY-Ei-H2 HYDROGEN PRESSURE TRANSMITTERS WE. DEVELOP. FUTURE.