Standard Guide for Approximation of Optimum SO₃ in Hydraulic Cement Ingestion-build-84997 BS EN 61143-2 applies to

BS EN 61143-2 applies to X-t recorders used for the measurement of voltage and current which measures and records analogue electrical quantities as a function of time

mechanical and environmental performance requirements of the optical fibre termination in a Terminal Equipment Box

the constancy test is carried out by the user in a periodic cycle to verify that the performance is maintained for the intended use

BS 3908-13 standard is the part of the BS 3908 series that discusses the antimony using the photometric method for the sampling and analysis of lead and lead alloys

and use of dial-type expansion thermometers

Standard Guide for Approximation of Optimum SO₃ in Hydraulic Cement Ingestion-build-84997 BS EN 61143-2 applies to