Defines functional and technical features of air temperature recorders for equipping the means employed for storing, transporting, and distributing frozen, chilled and deep-frozen food and ice-cream. Covers procedures to determine the conformity of the equipment to suitability and performance criteria. The whole recorder-temperature sensor(s) are covered. Temperature sensor(s) can be integrated into a recorder or remote from it. The location of the recorder and sensors in relation to usage, such as storage, transport and distribution are not specified.