IEC 61703 pdf download
IEC 61703 pdf download.Mathematical expressions for reliability, availability, maintainability and maintenance support terms 1 Scope This International Standard provides mathematical expressions for reliability, availability, maintainability and maintenance support measures defined in IEC 60050-1 91 . The following classes of items are considered separately in this standard: – non-repaired items; – repaired items with zero time to restoration; – repaired items...
BS IEC 61513 pdf download
BS IEC 61513 pdf download.Nuclear power plants – Instrumentation and control for systems important to safety – General requirements for systems 1 Scope 1.1 General I&C systems important to safety may be implemented using conventional hard-wired equip- ment, computer-based (CB) equipment or by using a combination of both types of equipment. This International Standard provides requirements and recommendations (see note)...
IEC 61010-1 pdf download
IEC 61010-1 pdf download.Safety requirements for electrical equipment for measurement, control, and laboratory use 1 Scope and object 1 .1 Scope 1 .1 .1 Equipment included in scope This part of IEC 61 01 0 specifies general safety requirements for electrical equipment intended for professional, industrial process, and educational use, any of which may incorporate computing devices, as defined in...
IEC 61518 pdf download
IEC 61518 pdf download.Mating dimensions between differential pressure (type) measuring instruments and flanged-on shut-off devices up to 41 3 bar (41 ,3 MPa) 1 Scope This International Standard is applicable to differential pressure (type) measuring instruments (instrument) with a shut-off device (manifold) directly bolted on to them. This standard specifies mating dimensions and tolerances, threads, bolts, and gaskets for a...
IEC 61286 pdf download
IEC 61286 pdf download.Information technology – Coded graphic character set for use in the preparation of documents used in electrotechnology and for information interchange 1 Scope This International Standard specifies a standardized coded graphic character set for use in drawings and diagrams, and for the design of graphical symbols. 2 Normative references The following normative documents contain provisions, which, through...
IEC 60627 pdf download
IEC 60627 pdf download.Diagnostic X-ray imaging equipment – Characteristics of general purpose and mammographic anti-scatter grids 1 Scope and object This International Standard deals with the definitions, determination and indication of characteristics of ANTI – SCATTER GRIDS used in diagnostic X-ray imaging equipment, in order to reduce the incidence of SCATTERED RADIATION , produced particularly in the body of the...
IEC 62092 pdf download
IEC 62092 pdf download.Utrasonics – Hydrophones – Characteristics and calibration in the frequency range from 15 MHz to 40 MHz 1 Scope This International Standard is applicable to • hydrophones employing piezoelectric sensor elements, designed to measure the pulsed and continuous-wave ultrasonic fields generated by ultrasonic equipment; • hydrophones used for measurements made in water and in the frequency range...
IEC 60461 pdf download
IEC 60461 pdf download.Time and control code for video tape recorders 1 Scope This International Standard specifies a digital time and control code for use in television, film, and accompanying audio systems operating at 30, 25, and 24 frames per second. Clauses 4, 5, and 6 specify the manner in which time is represented in frame-based systems. Clause 7 describes...
IEC 62060 pdf download
IEC 62060 pdf download.Secondary cells and batteries – Monitoring of lead acid stationary batteries – User guide 1 Scope and object This technical report is applicable to lead-acid vented and valve regulated batteries, for use in stationary battery applications. The object of this technical report is: – to assist users in the selection of methods to obtain sufficient information to...
IEC 60359 pdf download
IEC 60359 pdf download.Electrical and electronic measurement equipment – Expression of performance 1 Scope and object This International Standard applies to the specification of performance, with primary reference to industrial applications, of the following kinds of electrical and electronic equipment: – indicating and recording instruments which measure electrical quantities; – material measures which supply electrical quantities; – instruments which measure...