The optical feedback mechanism ensures real-time monitoring of piston movement, reducing errors and improving consistency, while the robust plunger construction enhances seal longevity and pressure control. This technology helps laboratories achieve reliable chromatographic results, improved uptime, and greater confidence in analytical performance. https://medium.com/@pticcoeo/high-performance-hplc-rod-pistons-and-sapphire-pistons-abf39a84e3e2?postPublishedType=initial