The HETS-AEM-S series is aimed at providing an accurate, reliable and convenient test platform for hydrogen production with AEM electrolyzers. The system features back pressure up to 3.2Mpa. The system consists of electrolyte circulation system, nitrogen purging unit, pressure regulating unit, gas-water separation unit, flow monitoring unit, PLC sampling and control unit, HMl, safety monitoring unit, etc. It adopts the test software independently developed by our company, and it meets AEM electrolyzer performance, durability, reliability and safety test requirements.