Gauge blocks manufactured to imperial specification - Specification and validation1 Scope This part of BS 4311 specifies the most important design and metrological characteristics of gauge blocks with a rectangular cross section and a nominal length ln of not more than 4 in. Limit deviations and tolerances are stated for the calibration grade K and for the grades 0, 1 and 2 for various measuring purposes.

and the specification of their attributes

c) smoke barriers

EM 103 or S2 material are suitable for operation at temperatures as low as – 25 °C and those with sheath of type EM 102 or EM 104 material are suitable for operation at temperatures as low as - 40 °C

prEN ISO 15609-1 and EN ISO 15609-2

Test categories

Additional information is gained by noting the type and locus of failure

you can ensure the corrosion tests in artificial atmospheres by providing general practice which involves exposure to corrosion tests on advanced technical ceramics

c) the interrelationship between these actions and events

whole body

Contents of BS EN 15802:

other standards may be applicable

such as overhead lines