Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Cone meters1 Scope This part of ISO 5167 specifies the geometry and method of use (installation and operating conditions) of cone meters when they are inserted in a conduit running full to determine the flow rate of the fluid flowing in the conduit. As the uncertainty of an uncalibrated cone meter might be too high for a particular application, it might be deemed essential to calibrate the flow meter in accordance with Clause 7. This part of ISO 5167 also

This International Standard is applicable to the determination of total particulate matter and to the subsequent determination of nicotine and nicotine-free dry particulate matter present in the sidestream smoke from cigarettes

Note 2: BS EN 2591-416 shall be used together with BS EN 2591-100

This looks at materials used for products accepted for contact with drinking water

PD IEC/TS 60870-5-7 describes messages and data formats for implementing IEC/TS 62351-5 for secure authentication as an extension to IEC 60870-5-101 and IEC 60870-5-104

BS 6200-5 provides you with standardization testing and precision testing for iron

Changes in BS IEC 60076-21:2018 include -

It is used with IEC 60950‑1

the standard includes a classification system based on intensity of use

Annex D (informative) Tangent cut-off eyellipses and inclusive eyellipses

both fresh and dehydrated fruits and vegetables

It covers impregnated or unimpregnated capacitors

Note: The recommendations contained in this BS 5534 might not be appropriate for the re-slating or re-tiling of some old roofs