Energy performance rating for large and single packaged vertical air conditioners and heat pumps
1 Scope
1.1 Inclusions
This Standard applies to the following electrically driven, mechanical, vapour compression-type systems:
a)
factory-made commercial and industrial unitary air-cooled air conditioners and heat pumps rated above 19 kW (65 000 Btu/h) cooling capacity at standard rating conditions for both single- and three-phase electrical power supplies;
b)
factory-made commercial and…
1 Scope
1.1 Inclusions
This Standard defines the requirements for performance, installation and application, and performance verification of mechanical ventilation systems. This Standard applies to systems that are capable of providing minimum controlled rates of outdoor air to the habitable spaces of those single-family dwelling units that
a)
fall within the Scope of Part 9 of the National…
Fire-performance and antistatic requirements for conveyor belting
1 Scope
1.1 Fire-performance and antistatic requirements
This Standard specifies fire-performance and antistatic requirements for new (unused) conveyor belting for use in any part of a mining or excavation operation that is below the surface.
1.2 Types of fire-performance and antistatic conveyor belting
This Standard covers fire-performance and antistatic conveyor belting of the following…
Quick-disconnect devices for use with gas fuel appliances
1 Scope
1.1 Inclusions
This Standard applies to newly-produced, hand-operated quick-disconnect devices, sizes NPS 1/8 in to 1-1/2 in, hereinafter also referred to as devices, constructed entirely of new, unused parts and materials which provide a means for connecting and disconnecting appliances or appliance connectors to gas supplies, and which are for indoor and outdoor applications. These…
Electronic fee collection — System architecture for vehicle-related tolling — Part 3: Data dictionar...
This document specifies the syntax and semantics of data objects in the field of electronic fee collection (EFC). The definitions of data types and assignment of semantics are provided in accordance with the abstract syntax notation one (ASN.1) technique, as specified in ISO/IEC 8824-1. This document defines:
— ASN.1 (data) types within the fields of EFC;
— ASN.1 (data) types of a more…
Telecommunications and information exchange between systems — Wireless LAN access control — Part 1: ...
This document specifies a cloud AC based wireless local area network (WLAN) networking architecture, defines the cloud access controller dispatch platform (CADP) operating mechanism and the interaction between the network elements such as CADPs, access points (APs), cloud access controllers (ACs) and the WLAN network management system (NMS), and specifies the main functional requirements of each…
Telecommunications and information exchange between systems - Wireless LAN access control - Part 1: ...
This document specifies a cloud AC based wireless local area network (WLAN) networking architecture, defines the cloud access controller dispatch platform (CADP) operating mechanism and the interaction between the network elements such as CADPs, access points (APs), cloud access controllers (ACs) and the WLAN network management system (NMS), and specifies the main functional requirements of each…
Raw optical glass — Resistance to attack by aqueous acidic solutions — Test method and classificatio...
This document specifies two methods for testing the resistance of raw optical glasses to attack by aqueous acidic solutions and defines a classification of optical glasses according to the acid resistance determined by these methods.
The surface method tests the resistance of the polished plate-shaped optical glass to attack by aqueous acidic solutions at 25 °C for a specified time and indicates…
Biological evaluation of medical devices — Requirements for interlaboratory studies to demonstrate t...
This document specifies the framework and the methodology to evaluate and demonstrate the applicability of a validated non-animal method from an OECD test guideline to assess the skin sensitizing potential of a medical device or a medical device material. This document addresses:
— the database of reference chemical skin sensitizers and non-skin sensitizers;
— reference materials;
— …
Classification of environmental conditions - Part 4-3: Guidance for the correlation and transformati...
IEC TS 60721-4-3:2023 This part of IEC 60721 deals with the correlation and transformation of the conditions given in IEC 60721-3-3 to the environmental test procedures defined in IEC 60068-2.
This document provides test procedures and test severities for electrotechnical equipment operated at stationary weatherprotected locations for the product classes set out in IEC 60721-3-3.
This first…
