The Kistler 6635A1 is a high-precision strain sensor designed for the measurement of surface strain, particularly on machine tie bars. It is widely used for monitoring clamping forces in injection molding machines, die-casting machines, and presses. Its robust, clamp-on design allows for easy and rapid installation without requiring any modifications to the machine structure. Constructed from stainless steel and offering an IP67 protection rating, the 6635A1 ensures reliable and stable measurements for process control, quality assurance, and machine protection, even in demanding industrial environments.