Establishes a procedure to determine the suitability of components, equipments or other articles for use and/or storage under a combination of low temperature and low air pressure. Covers related documents, test chamber, mounting, preferred combinations of temperature, air pressure and duration, preconditioning, initial measurements, procedure for heat dissipating specimen without artificial cooling of the specimen and for nonheat dissipating specimen, precautions when testing specimens with artificial cooling, intermediate measurements, recovery, final measurements and information to be given in the relevant specification.

BS EN 60068-2-40 : 2000