Information technology - Data centres key performance indicators - Part 7: Cooling efficiency ratio ...
This document specifies the cooling efficiency ratio (CER) as a key performance indicator (KPI) for quantifying the efficient use of energy to control the temperature of spaces within a data centre (DC).
This document:
a) defines the CER of a DC;
b) describes the relationship of this KPI to a DC’s infrastructure, information technology equipment and information technology operations;
c)…
Road vehicles — Interchange of digital information on electrical connections between towing and towe...
This document specifies the SAE J1939-based application layer, the payload of messages, and parameter groups for electronically controlled braking systems, including anti-lock braking systems (ABS), vehicle dynamics control systems (VDC), and running gears equipment, to ensure the interchange of digital information between road vehicles with a maximum authorized total mass greater than 3 500 kg…
Respiratory protective devices — Human factors — Part 5: Thermal effects
This document is one part of a series of International Standards that provide information on factors related to human anthropometry, physiology, ergonomics and performance for the preparation of standards for design, testing and use of respiratory protective devices. This document contains information related to thermal effects of respiratory protective devices on the human body. In particular…
Appareils de protection respiratoire — Facteurs humains — Partie 5: Effets thermiques
Le présent document fait partie d'une série de Normes internationales fournissant des informations sur les facteurs liés à l'anthropométrie, à la physiologie humaine, à l'ergonomie et aux performances en vue de l'élaboration de normes relatives à la conception, aux essais et à l'utilisation d'appareils de protection respiratoire. Il contient des informations…
Soudage, brasage et coupage — Nomenclature et numérotation des procédés
Le présent document établit une nomenclature, pour:
— le soudage;
— le brasage fort, le brasage tendre et le soudobrasage;
— le coupage thermique;
chaque procédé étant identifié par un numéro de référence.
Il couvre les groupes principaux procédés (un chiffre), les groupes (deux chiffres) et les sous-groupes (trois chiffres). Le numéro de référence pour un procédé donné au maximum trois…
Welding, brazing, soldering and cutting — Nomenclature of processes and reference numbers
This document establishes a nomenclature for:
— welding;
— brazing, soldering and weld brazing;
— thermal cutting;
with each process identified by a reference number.
It covers the main processes (one digit), groups (two digits) and sub-groups (three digits). The reference number for any process has a maximum of three digits. This system is intended as an aid in computerization and the…
Safety information for the content of piping systems and tanks — Part 2: Tanks
This document specifies a safety information system for tanks made by combining several elements onto a single marking to communicate health and hazard safety information and information in case of an emergency for the purpose of accident prevention.
The organization's risk assessment will determine when and where this safety information system for tanks will be used. Possible applications…
Ships and marine technology — General requirements for the asynchronous time-insensitive ship-shore ...
This document describes the requirements involved in ship to shore data communication between the shipboard data servers and the on-shore data servers. It provides information on:
— asynchronous communication;
— a method to measure end-to-end communication quality;
— transport integrity;
— transport security (e.g. encryption, authentication and authorization);
— management of data…
