IEC 62121 pdf download

IEC 62121 pdf download

IEC 62121 pdf download.Methods of measurement for minidisc recorders/players 1 Scope and object This International Standard specifies the measuring methods for recording and reproducing equipment for MiniDiscs that conform to the specifications of IEC 61 909. NOTE 1 For convenience, this recording and reproducing equipment will be referred to as “MD recorder” hereinafter. The reproducing part of this equipment or...

IEC TR 61838 pdf download

IEC TR 61838 pdf download

IEC TR 61838 pdf download.Nuclear power plants – Instrumentation and control functions important for safety– Use of probabilistic safety assessment for the classification 1 Scope This Technical Report provides a survey of some of the methods by which probabilistic risk assessment results can be used to establish “risk based” classification criteria, so as to allow FSEs to be placed within...

IEC 61162-420 pdf download

IEC 61162-420 pdf download

IEC 61162-420 pdf download.Maritime navigation and radiocommunication equipment and systems – Digital interfaces 1 Scope and object International Standard IEC 61 1 62-420 specifies the requirement for and basic components of the IEC 61 1 62-4 series companion standards. These components are referred to as follows: a) PCS (PISCES companion standards) which contain the rules for creation of companion standards....

IEC 61834-1 pdf download

IEC 61834-1 pdf download

IEC 61834-1 pdf download.Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) 1 General 1.1 Scope This part of IEC 61 834 specifies the content, format and recording method of the data blocks forming the helical records on the tape. It describes the common specifications for cassettes, modulation method,...

IEC 60255-24 pdf download

IEC 60255-24 pdf download

IEC 60255-24 pdf download.Electrical relays 1 Scope and object This part of IEC 60255 defines a format for files containing transient waveform and event data collected from power systems or power system models. This standard applies to files stored on physical media such as digital hard drives and diskettes. It is not a standard for transferring data files over communication...

ISO IEC TR 15044 pdf download

ISO IEC TR 15044 pdf download

ISO IEC TR 15044 pdf download.Information technology – Terminology for the Home Electronic System (HES) 1 Scope The home electronic system (HES) provides a common method for interfacing equipment with a variety of home control systems (HCS) such as sensors, actuators, appliances, user interfaces, controllers, switches etc. An HCS is a local area network specialized for residential communications, commonly called...

IEC 61300-2-40 pdf download

IEC 61300-2-40 pdf download

IEC 61300-2-40 pdf download.Fibre optic interconnecting devices and passive components – Basic test and measurement procedures 1 General 1 .1 Scope and object This part of IEC 61 300 describes the test for screening single-mode tuned connectors against tuning errors. It is applicable to single-mode angled connectors which are equipped with a tuning mechanism. The tests ensure that the plugs...

ISO IEC 15445 pdf download

ISO IEC 15445 pdf download

ISO IEC 15445 pdf download.Information technology — Document description and processing languages — HyperText Markup Language (HTML) 4 Definitions For the purposes of this International Standard, the definitions given in ISO 8879:1 986 and the following definitions apply: 4.1 Browser A user agent whose main function is to present documents to a user. 4.2 Character (Source: RFC1866) An atom of...

ISO IEC 7812-2 pdf download

ISO IEC 7812-2 pdf download

ISO IEC 7812-2 pdf download.Identification cards — Identification of issuers 3 Terms and definitions For the purposes of this part of ISO/IEC 781 2, the terms and definitions given in ISO/IEC 781 2-1 and the following apply. 3.1 administrative blockholder body/business entity that is assigned a block of Issuer Identification Numbers (IINs) for re-assignment to card issuing organizations within its...

IEC 60695-2-10 pdf download

IEC 60695-2-10 pdf download

IEC 60695-2-10 pdf download.Fire hazard testing 1 Scope This part of IEC 60695 specifies the glow-wire apparatus and common test procedure to simulate the effect of thermal stresses which may be produced by heat sources such as glowing elements or overloaded resistors, for short periods, in order to assess the fire hazard by a simulation technique. The test described in...