Medical electrical equipment - Particular requirements for the basic safety and essential performance of electron accelerators in the range 1 MeV to 50 MeV

This document gives guidelines for ultrasonic attenuation spectroscopy methods for determining the size distributions of one or more material phases dispersed in a liquid at high concentrations

BS EN 61347-2-9 provides manufacturers with the general requirements

BS EN 16272-4 on Railway noise barriers - Characteristics of sound diffraction of added devices is useful for:

Example of a measurement setup to test impulse noise interference

For linen fabric

Process of manufacture

Aerospace technical personnel

ISO 4491‑4 specifies a method for the determination of the total oxygen content of metallic powders by reduction-extraction at high temperatures

Note: BS 2574-1 does not apply to orthotic devices for use in the immediate treatment of acute trauma cases

This International Standard covers main groups of processes (one digit)

Manufacturer of sling components

This standard is not applicable to mobile and portable appliances conforming to BS EN 449 or to appliances in touring caravans