Quartz crystal units for frequency control and selection - Part 1: Standard values and test conditio...
Chapter I contains terms and definitions and gives standard values for operating temperature ranges, load capacitance, levels of drive and leak rate. Requirements concerning marking of the crystal unit are also stated. Chapter II deals with standard conditions for testing, visual examination, electrical and mechanical tests. A test schedule for type-tests is included.
Comparative information on IEC and North-American flexible cord types.
Contains tables indicating comparative constructions of flexible cords similar to those included in IEC 227 and IEC 245, but which have been used in North America. Provides information for use during the period of time necessary for harmonization to take place from North American types towards the adoption of IEC standards. This information should be of value to those who are concerned with…
Methods of measurement for radio transmitters. Part 6: Cabinet radiation at frequencies between 130 ...
Describes the conditions and methods to measure unwanted radiations originating from sources other than the aerial or aerial system of radio transmitters. The standard is intended to be used in conjunction with IEC 60244-1. The methods of measurement described in this standard are intended for type tests but they may also be used for acceptance tests and factory tests. Does not apply to…
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…
Portable Pressurized Type Liquid Petroleum Fuelled Camp Stoves
1. Scope
1.1 This Standard applies to portable pressurized type liquid petroleum fuelled camp stoves with one or more surface burners.
1.2 This Standard applies to camp stoves intended for use outdoors or in ventilated indoor spaces.
1.3 The intent of this Standard may be applied to camp stoves using alcohol type fuel with a pressurized fuel system.
1.4 Camp stoves that comply with…
Zinc — Determination of iron content — Photometric method
The method is applicable to all zinc types provided that their copper content is 0,01 % maximum. The determination is suitable for iron contents between 0,001 and 0,01 %. This standard specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
Heat exchangers — Verification of thermal balance of water-fed or steam-fed primary circuits — Princ...
A number of suitable arrangements of test apparatus are illustrated in the annex. ISO 3147 is applicable to tests of primary circuits performed in the steady-state condition, in accordance with the specifications laid down for each type of appliance in the relevant International Standards. Where appropriate, special arrangements required for certain types of appliance may also be given in these…
Specifies the characteristics of the Atmosphere Type ISO which is applicable to planning under identical conditions, to test results end elements. Permits the unification in the range of tests and calibration of instruments. Is recommended for treatment of results of observations of geophysics and meteorology.
Specifies the main dimensions for the certain number of tool types, and the codified designation of dies and the marking. Details not indicated are left to the discretion of the manufacturers or should be specified in national standards. Includes, in annex A, a comparison of several dimensions for various types of drawing dies, and, in annex B, a terminology, in several languages, for…
