Fuel Cell Porometer

The PMI Fuel Cell Porometer provides fully automated through-pore analysis including pore-throat diameter, pore size distribution, mean flow pore diameter, and liquid & gas permeability. The porometer’s versatility allows the user to simulate operating conditions. The instrument has special features to measure the effects of compressive stress on a sample, test temperature, sample orientation, and layered structure on pore structure characteristics. The fully automated, user-friendly Fuel Cell Porometer is an asset in quality control and R&D environments.

- Characteristics measureable using gas with 0 to 100 % humidity - Test temperatures can be 200°C and in special situations 800°C - Pore size measured in samples under compressive stress of up to 1000 psi - Pore structure of each layer of a multilayer composite - Pore diameters down to about 0.013 μm

Measured flow rates through dry and wet samples with increasing differential pressure are used to compute many characteristics.

- Pore throat diameters - The largest pore throat diameter - Mean flow pore diameter - Pore distribution - Gas permeability - Through pore surface area (Envelope Surface Area)