Mini Plant: PEM Electolyzer + Test Bench This PEM Electrolyzer test bench is a highly accurate laboratory instrument designed to evaluate the performance of Proton Exchange Membrane (PEM) electrolytic water single cells. The equipment provides a wide range of electrochemical performance tests, including power supply to the electrolyser, supply voltage within 20V 150A, with a variety of CC, CP, CC, modes, detecting hydrogen production from the anode-cathode of the electrolyser, gas-liquid separation, temperature control of the circulating water, detecting the hydrogen-oxygen concentration, and high test sampling accuracy to meet the needs of PEM research and development. Electrochemical Performance Parameters Current Range 0-150 A (Adjustable) Current Accuracy &plusmn;0.1% FS Voltage Range 0 - 50 V(Adjustable) Voltage Accuracy &plusmn;0.1% FS Polarization Voltage Adjustable for dynamic current scanning Current Response Time &le;1 ms Voltage Response Time &le;1 ms Water Control Water Tank Capacity 20L Circulation Water 1.2-2L five stage adjustment Heating Temperature Range Of Circulating Water Room temperature -80 &deg; C Heating Temperature Control Accuracy &plusmn;2&deg;C Cooling System Natural cooling Gas Production Monitoring Hydrogen production detection Digital mass flow meter, 1% SF high-precision Control and Data Collection Control Mode Manual back pressure manual/automatic adjustment of power supply Data Acquisition Software Real time current, voltage, and power curves Data Record Multi channel data recording with a minimum interval of 1 ms Ion concentration filtration and monitoring Circulating water ion concentration monitoring, monitoring range 0-20 &mu; S/cm, monitoring accuracy &plusmn; 1F &middot; S. Circulating water ion filtration, ion conductivity after filtration < 5 &mu; The maximum filtration flow rate of S/cm is less than 5L/min, the medium material is ion exchange resin, and the operating temperature is -40~90 &ordm;C.