Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter included-in-kit subclauses and tables which carry

subclauses and tables which carry the suffix letter “A” are applicable only to solid wire electrodes

ISO 16890 (all parts) refers to particulate air filter elements for general ventilation having an ePM1efficiency less than or equal to 99 % when tested according to the procedures defined within ISO 16890‑1

This British Standard provides guidance and recommendations for persons responsible for the installation

This document is applicable to positive pressure systems

Secondary users will be:

Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter included-in-kit subclauses and tables which carry