Deals with sound level meters of four degrees of precision, designated Types 0, 1, 2 and 3. Specifies the following characteristics: directional characteristics, frequency weighting characteristics, time-weighting, detector and indicator characteristics, sensitivity to various environments. Establishes electrical and acoustical tests to verify compliance with characteristics specified and…
Methods of measurement for radio equipment used in the mobile services - Part 5: Receivers employing...
Deals with the definitions, the conditions and the methods of measurement used to ascertain the performance of receivers having audio-frequency bandwidths generally not exceeding 10 kHz for the reception of voice and other types of signals, using single-sideband amplitude modulation. The standard is intended to be used in conjunction with IEC 489-1.
Methods of measurement for radio equipment used in the mobile services - Part 3: Receivers for A3E o...
Deals with the definitions, the conditions and the methods of measurement used to ascertain the performance of receivers having audio-frequency bandwidths generally not exceeding 10 kHz for the reception of voice and other types of signals, using angle modulation (phase/frequency modulation), or
double-sideband amplitude modulation with full carrier. This standard is intended to be used in…
Three-Phase, Dead-Front, Pad-Mounted Distribution Transformers
1. Scope
1.1 This Standard covers the features of three-phase dead-front pad-mounted distribution units consisting of transformer and cable entrance compartment with provision for separable insulated high-voltage connectors. For other details, reference s hall be made to CSA Standard C2, Single-Phase and Three-Phase Distribution Transformers, Types ONAN and LNAN.
1.2 The rated kVA…
Applies to the grammage of fine papers, expressed in grams per
square metre (g/m2). Standard grammages for various types of fine
papers are as shown in Appendix A in grams per square metre.
Appendix B lists the grammages with the former basis weights they
are intended to replace and the latter's equivalent in g/m2.
S'applique au grammage des papiers fins, exprimé en grammes par
mètre carré (g/m2). Les grammages standard pour les types divers
de papiers fins sont présentés à l'annexe A en grammes par mètre
carré. L'annexe B présente les grammages avec les forces
antérieures qu'ils remplacent et l'équivalent de ces dernières en
g/m2.
Covers lung ventilators that function through a direct connection
to the airway of a patient. The Standard details basic
requirements for the construction, performance and testing of
lung ventilators. It includes requirements which are applicable
to ventilators for use in all kinds of health care facilities and
particular requirements applicable only to ventilators intended
for use in…