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Code de la Classification internationale pour les normes (ICS)
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Connectors for electronic equipment - Tests and measurements - Part 25-7: Test 25g - Impedance, refl...
Describes test methods to measure impedance, reflection coefficient, and voltage standing wave ratio in the time and frequency domains. Applies to interconnect assemblies, such as electrical connectors and cable assemblies, within the scope of IEC technical committee 48.
Éditeur :
IEC
Statut :
Publié
Date de publication :
2004-12-14
Code(s) de l'ICS :
31.220.10
Freestanding Office Desk Products and Components
1. Scope 1.1 This standard provides dimensional and performance requirements for safety, durability and structural adequacy of freestanding components of office desk products. 1.2 Quantities and dimensions used in this standard are given in metric units imperial equivalents shown in brackets where appropriate. The metric units shall be regarded as official in the event of dispute…
Éditeur :
ONGC
Statut :
Annulée
Date de publication :
2000-10-31
Code(s) de l'ICS :
97.140
Corrigendum 1 - Functional safety of electrical/electronic/programmable electronic safety-related sy...
Contains the definitions and explanation of terms that are used in parts 1 to 7 of this standard. Intended for use by technical committees in the preparation of standards in accordance with the principles contained in IEC Guide 104 and ISO/IEC Guide 51. IEC 61508 is also intended as a stand-alone standard. Has the status of a basic safety publication in accordance with IEC Guide 104.
Éditeur :
IEC
Statut :
Révisé
Date de publication :
1999-03-31
Code(s) de l'ICS :
25.040.40; 29.020
Corrigendum 1 - Functional safety of electrical/electronic/programmable electronic safety related sy...
Provides information on the underlying concepts of risk and the relationship of risk to safety integrity (see annex A); a number of methods that will enable the safety integrity levels for the E/E/PE safety-related systems, other technology safety-related systems and external risk reduction facilities to be determined (see annexes, B, C, D and E) Intended for use by technical committees in the…
Éditeur :
IEC
Statut :
Révisé
Date de publication :
1999-03-31
Code(s) de l'ICS :
25.040.40
Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4:...
Contains the definitions and explanation of terms that are used in parts 1 to 7 of this standard. Intended for use by technical committees in the preparation of standards in accordance with the principles contained in IEC Guide 104 and ISO/IEC Guide 51. IEC 61508 is also intended as a stand-alone standard. Has the status of a basic safety publication in accordance with IEC Guide 104. The…
Éditeur :
IEC
Statut :
Révisé
Date de publication :
1998-12-02
Code(s) de l'ICS :
25.040.40; 29.020
Functional safety of electrical/electronic/programmable electronic safety related systems - Part 5: ...
Provides information on the underlying concepts of risk and the relationship of risk to safety integrity (see annex A); a number of methods that will enable the safety integrity levels for the E/E/PE safety-related systems, other technology safety-related systems and external risk reduction facilities to be determined (see annexes, B, C, D and E) Intended for use by technical committees in the…
Éditeur :
IEC
Statut :
Révisé
Date de publication :
1998-12-02
Code(s) de l'ICS :
25.040.40