Ophthalmic instruments. Direct ophthalmoscopesBS EN ISO 10942: 2006 specifies minimum requirements and test methods for hand held direct ophthalmoscopes designed for directly observing the eye fundus. BS EN ISO 10942: 2006 replaces BS EN ISO 10942: 1998, which has been withdrawn.

when they are used as intended and under the conditions foreseen by the manufacturer

Clarification in the description of the temperature-rise test (current-temperature derating)

Reference measurement

BS EN ISO 643:2003 Steels

Annex A (normative) Method of test for delivered oxygen concentration

in terms of a permeability coefficient (k)

BS EN 14561 specifies a carrier test for establishing whether a chemical disinfectant for use on instruments (surgical instruments

The high-pressure testing is carried out at pressures greater than 3 MPa and the low-pressure testing at pressures from 1

BS 8000-0:2014 establishes the general principles behind the BS 8000 series of standards that covers workmanship on construction sites

The individual sampling plans are not designed to be used outside of the schemes in which they are presented

copper (Cu)

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