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IEC 60793-2-50:2018 - Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
December 14, 2018 - IEC - International Electrotechnical Commission

IEC 60793-2-50:2018 is available as IEC 60793-2-50:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60793-2-50: 2018 is applicable to optical fibre...

PC37.09/D5.0, Sep 2018 - IEEE Approved Draft Standard Test Procedures for AC High-Voltage Circuit Breakers with Rated Maximum Voltage above 1000V
2018 Edition, December 4, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The testing procedures for all high-voltage circuit breakers that include voltage ratings above 1000 V ac and comprise both indoor and outdoor types having the preferred ratings as listed in IEEE Std C37.04(TM) are covered. Typical circuit breakers covered by these standards...

PC57.104/D5.0, Apr 2018 - IEEE Draft Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers
2018 Edition, April 14, 2018 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Detailed procedures for interpreting Dissolved Gas Analysis results are described. The document details: 1) Overview of gas generation in transformer and DGA process. 2) The purpose and application of DGA. 3) DGA quality verification and DGA limitations. 5) DGA interpretation...

ST 2067-50:2018 - Interoperable Master Format — Application #5 ACES
2018 Edition, February 16, 2018 - Society of Motion Picture and Television Engineers

This document specifies Compositions for IMF Application #5. It is a specialization of the IMF Framework. - Application #5 targets archival applications where a TV or movie title is to be archived as a single, high-quality set of master files from which one or more content versions can be...

ASTM E50-17 - Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
September 1, 2017 - ASTM International

4.1 The inclusion of the following paragraph, or a suitable equivalent, in any standard (preferably after the section on Scope) is due notification that the apparatus and reagents required in that standard are subject to the recommendations set forth...

P802.11aj/D5.0, Feb 2017 - IEEE Draft Standard for Information Technology--Telecommunications and information exchange between systems Local and metropolitan area networks--Specific requirements Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications Amendment 5: Enhancements for Very High Throughput to Support Chinese Millimeter Wave Frequency Bands(60 GHz and 45 GHz).
2017 Edition, January 1, 2017 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This amendment defines modifications to the IEEE P802.11ad Physical (PHY) layer and the Medium Access Control (MAC) layer to enable operation in the Chinese millimeter wave frequency band at around 60 GHz. This amendment also defines modifications to the...

ASTM D6432-11 - Standard Guide for Using the Surface Ground Penetrating Radar Method for Subsurface Investigation
May 1, 2011 - ASTM International

Concepts-This guide summarizes the equipment, field procedures, and data processing methods used to interpret geologic conditions, and to identify and provide locations of geologic anomalies and man-made objects with the GPR method. The GPR uses high-frequency-pulsed EM waves...

ASTM E50-11(2016) - Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
August 1, 2016 - ASTM International

4.1 The inclusion of the following paragraph, or a suitable equivalent, in any standard (preferably after the section on Scope) is due notification that the apparatus and reagents required in that standard are subject to the recommendations set forth...

IEC 60601-2-50:2009+AMD1:2016 CSV - Medical electrical equipment - Part 2-50: Particular requirementsfor the basic safety and essential performance of infant phototherapy equipment
April 29, 2016 - IEC - International Electrotechnical Commission

IEC 60601-2-50:2009+A1:2016 establishes particular basic safety and essential performance requirements for infant phototherapy equipment, which reduce the safety hazards to patients and operators as much as possible, and specifies tests for demonstrating compliance with these...

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