This back pressure module, the T3-300 from Canrd, is designed for precise back pressure control in experimental setups involving fixtures or test benches. It enables direct regulation of system pressure by connecting tubing to the module, making it particularly suited for fuel cell research and other energy material testing where maintaining stable back pressure is critical. Its compatibility with various test configurations supports a range of electrochemical evaluation scenarios, including flow field diagnostics and performance characterization. The module offers a reliable, integrated solution for researchers requiring consistent pressure management during dynamic or steady-state measurements, without introducing complex external controllers.