Rechercher

1.1 Outlines the details of construction, marking, and testing of portable electrical instruments for sensing the presence of toxic gas(es) and/or oxygen concentrations in air. These instruments may be used in Class I hazardous locations and gaseous mines in accordance with the Rules of the Canadian Electrical Codes, Parts I and II. 1.2 This Standard applies to battery-operated…

Describes test methods for determining the endurance properties under specified laboratory conditions. Specifies the principle, the reagents and materials, the apparatus, the procedure, the test report and the disposal of test specimens.

Applies to laboratory standard microphones meeting the requirements of IEC 61094-1 and other types of condenser microphones having the same mechanical dimensions or specifies a primary method of determining the pressure sensitivity so as to establish a reproducible and accurate basis for the measurement of sound pressure. This publication supersedes IEC 60327.

This National Standard of Canada is equivalent to International Standard ISo 7787/1:1984. This part of ISO 7787 specifies the dimensional and other requirements for the nine most commonly used steel cutters¹ which are predominantly used in the dental laboratory. Other characteristics of cutters, for example spiralled blades, cross-cut, are not covered by this International Standard.…

This National Standard of Canada is equivalent to International Standard ISo 7787/2:1984. This part of ISO 7787 specifies the dimensional and other requirements for the eleven most commonly used carbide cutters¹ which are predominantly used in the dental laboratory. Other characteristics of cutters, for example spiralled blades, cross-cut, are not covered by this International Standard…

1.1 This Special Publication gives guidelines for quality assurance in the administration and technical operations of a laboratory performing physical or chemical tests. It is intended to assist in developing their quality assurance programs. Laboratories wishing to comply with specific requirements may use these guidelines in conjunction with the requirements where applicable. These…

1. Scope 1.1 This Standard applies to motor-operated vacuum cleaners and blower cleaners, and to household use floor finishing machines to be employed in accordance with the Rules of the Canadian Electrical Code, C22.1, Part I and the National Electrical Code, ANSI/NFPA 70. 1.2 These requirements cover (1) household, commercial, and coin-operated vacuum cleaning machines and blower…

Scope Z217.1 1.1 This practice outlines a method for the determination of the dilute solution viscosity of polystyrene products in tetrahydrofuran (THF). It is applicable to nondegraded and photodegraded polystyrene samples. It is used for the determination of relative viscosity (viscosity ratio), inherent viscosity (logarithmic viscosity number), intrinsic viscosity (limiting…

1. Scope 1.1 This method determines the degradation of polystyrene foams by measuring mass loss due to a combination of abrasion and impact produced by a laboratory tumbling device. 1.2 The values stated in metric (SI) units are to be regarded as the standard. The values in parentheses are provided for information only. 1.3 This Standard does not purport to address all of the…

Applies to: testing laboratories, including those providing a calibration service; suppliers of products or services; other organizations where measurement is used to demonstrate compliance with specified requirements.