Rechercher

IEC 61391-1:2006+A1:2017 describes methods of calibrating the spatial measurement facilities and point-spread function of ultrasonic imaging equipment in the ultrasonic frequency range 0,5 MHz to 15 MHz. This standard is relevant for ultrasonic scanners based on the pulse echo principle of the types listed below: - mechanical sector scanners; - electronic phased-array sector scanners; -…

1.1 This Standard specifies safety requirements for pipelines for medical gases, medical vacuum, medical support gases, and anaesthetic gas scavenging systems in health care facilities, both public and private. It applies to all facilities providing health care services, regardless of type, size, location, or range of services, including, but not limited to a) acute care hospitals; b) in-…

1.1 This Standard applies only to the following electrically driven, mechanical, vapour-compression-type systems: a) large air conditioners and heat pumps rated above 19 kW (65 000 Btu/h) cooling or heating capacity at standard rating conditions for both single- and three-phase electrical power supplies; and b) all sizes of single packaged vertical air conditioners and heat pumps and air-…

1.1 This Standard specifies the requirements for 600 V single-conductor, thermoplastic-insulated wires and cables, for use as follows: a) In Canada, in accordance with CSA C22.1, Canadian Electrical Code (CE Code), Part I; b) In Mexico, in accordance with NOM-001-SEDE, Standard for Electrical Installations; and c) In the United States, in accordance with ANSI/NFPA 70, National Electrical Code…

1.1 General This Standard specifies requirements for an occupational health and safety (OHS) incident investigation and prevention program (IIPP). This Standard can be applied by organizations of any size or type. This Standard is intended to address investigations related to occupational health and safety. This Standard does not specify requirements for criminal or regulatory enforcement…

1.1 This Standard applies to portable type gas camp lights for use: a) with propane, butane, liquefied petroleum gas or any combination thereof; and b) outdoors only. 1.2 Lights and components employing materials or having forms of construction differing from those detailed in these provisions may be examined and tested according to the intent of the provisions and if found to be…

This Standard sets forth the minimum requirements for containment sumps, and associated sump fittings and accessories (products) intended for below- or at-grade use as an enclosure for housing of, and access to, underground piping, connector piping, and other fueling system components (such as pumps, valves, sensors, wiring, etc.) in addition to temporary containment of typical liquid fuels as…

CISPR 16-2-1:2014+A1:2017 is designated a basic standard, which specifies the methods of measurement of disturbance phenomena in general in the frequency range 9 kHz to 18 GHz and especially of conducted disturbance phenomena in the frequency range 9 kHz to 30 MHz. With a CDNE, the frequency range is 9 kHz to 300 Hz. This third edition cancels and replaces the second edition published in 2008,…

IEC PAS 63124:2017(E) is applicable to tumble dryers for commercial use of the automatic and non-automatic type, incorporating an electric or steam heating device. It also includes tumble dryers which use gas as a heating source with a reference to appropriate EN gas standards. The object is to state and define the principal performance characteristics of tumble dryers for commercial use of…

ISO 12631:2017 specifies a method for calculating the thermal transmittance of curtain walls consisting of glazed and/or opaque panels fitted in, or connected to, frames. The calculation includes: - different types of glazing, e.g. glass or plastic; single or multiple glazing; with or without low emissivity coating; with cavities filled with air or other gases; - frames (of any material…