Medical electrical equipment. Part 1: General requirements.
This is the major revised and updated baseline of standards for the safety of all medical electrical equipment used by or under the supervision of qualified personnel in the general medical and patient environment. lt also contains certain requirements for reliable operation to ensure safety. Note the change of title from the first (1977) edition. (For particular requirements see series 601-2…
Fall-Arresting Safety Belts and Lanyards for the Construction and Mining
Industries
Scope
1.1 This Standard defines fall arresting safety belts of the tongue buckle
type and lanyards. It may be applied to an assembly consisting of a
belt with an attached lanyard, or to a belt alone, or to a lanyard
alone.
Note: Requirements for quick-release and friction buckle types of belts
are under study.
1.2 The equipment specified…
Single-Phase Submersible Distribution Transformers, Type ONAN
1. Scope
1.1 This Standard covers the features of single-phase submersible transformers. For other details, reference shall be made to CSA Standard C2, Single-Phase and Three-Phase Distribution Transformers Types ONAN and LNAN, hereinafter referred to as CSA Standard C2. Note: See Appendix A, Recommendations for Corrosion Control of Submersible Transformer Installations, which covers…
Oil Fired Steam and Hot Water Boilers for Residential Use
1. Scope
1.1 This Standard applies to complete flue-connected, oil-fired steam and/or hot-water low pressure boilers, provided with automatic control devices.
1.2 This Standard applies to boilers intended for residential use having an input of less than 3 gallons per hour (US) (approximately 400,000 Btu/h).
Note: A boiler which has an input exceeding this limit may be considered…
Specifies requirements for the determination of the impact strength. The test consists in breaking a series of unnotched machined cylindrical test pieces resting freely between supports, and measuring the difference between the kinetic energy of the hammer before and after fracture of the test piece. Annex A includes non-standard test pieces, annex B includes notes on coefficients for calculation…
1. Scope
1.1 This Standard provides rules and requirements for the design, fabrication, erection, inspection, testing, maintenance, and use of falsework materials and components where they are erected to provide temporary vertical support for buildings and other structures during their construction, alteration or repair.
1.2 This Standard does not apply to:
(a) Suspended scaffolds or…
1.1 This Standard applies to helmets intended to provide protection for the heads of ice hockey players from impact and defines the areas of the head which are to be protected. It covers requirements for the construction and finish of helmets, and the materials to be used for the shell and cradle. Marking requirements are also included.
NOTE: Metric equivalents are included for information…
Acoustics — Standard tuning frequency (Standard musical pitch)
Specifies the frequency for the note A in the treble stave and shall be 440 Hz. Tuning and retuning shall be effected by instruments producing it within an accuracy of 0,5 Hz.
Definitions. Standard values relating to energizing quantities and to influencing quantities. Fundamental characteristics relating to behaviour in service including the accuracy of specified times when applicable. Requirements for assessing electrical and mechanical performance.
The Standard specifies the following characteristics of the oil. Appearance: Clear, mobile liquid. Colour: Pale yellow to orange-yellow. Odour: Characteristic with a strong note of citral. Relative density at 20/20 °C: 0,872 - 0,897. Refractive index at 20 °C: 1,4830 - 1,4890. Optical rotation at 20 °C: Range from - 3 to + 1 . Carbonyl compounds content, expressed as citral: Minimum 75 %.…
