ANSI/ASME B16.4-2011

Gray Iron Threaded Fittings: Classes 125 and 250

American Society of Mechanical Engineers / 15-Sep-2011 / 32 pages

This Standard for gray iron threaded fittings, Classes 125 and 250 covers: (a) pressure-temperature ratings (b) size and method of designating openings of reducing fittings (c) marking (d) material (e) dimensions and tolerances (f) threading, and (g) coatings.

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NACE TM0187-2011

Standard Test Method – Evaluating Elastomeric Materials in Sour Gas Environments

National Association of Corrosion Engineers / 18-Jun-2011 / 12 pages

This standard establishes a test method to measure the ability of elastomeric materials to withstand static
exposure to vapor phase sour gas environments (e.g., gaseous hydrocarbons with hydrogen sulfide [H2S]) at
elevated pressure. This test method is not designed to be an immersion or a functional test. It is designed for testing
standard O-rings or test specimens of elastomeric vulcanites cut from standard sheets (see ASTM D31822). This
test method is not applicable to testing cellular rubber or porous materials.

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IEC 62047-5 Ed. 1.0 b:2011

Semiconductor devices – Micro-electromechanical devices – Part 5: RF MEMS switches

Edition: 1.0
International Electrotechnical Commission / 13-Jul-2011 / 69 pages

IEC 62047-5:2011 describes terminology, definition, symbols, test methods that can be used to evaluate and determine the essential ratings and characteristic parameters of RF MEMS switches. The statements made in this standardization are also applicable to RF (Radio Frequency) MEMS (Micro-Electro-Mechanical Systems) switches with various structures, contacts (d.c. contact and capacitive contact), configurations (series and shunt), switching networks (SPST, SPDT, DPDT, etc.), and actuation mechanism such as electrostatic, electro-thermal, electromagnetic, piezoelectric, etc. The RF MEMS switches are promising devices in advanced mobile phones with multi-band/mode operation, smart radar systems, reconfigurable RF devices and systems, SDR (Software Defined Radio) phones, test equipments, tunable devices and systems, satellite, etc.

Keywords:
62047-5

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BS PD CEN/TR 16243:2011

Ambient air quality. Guide for the measurement of elemental carbon (EC) and organic carbon (OC) deposited on filters

British Standards Institution / 30-Sep-2011 / 34 pages

Cross References:
2008/50/EC
prCEN/TR 264125:2010

All current amendments available at time of purchase are included with the purchase of this document.

Keywords:
Air; Quality; Air pollution; Chemical analysis and testing; Determination of content; Carbon ; Carbonaceous matter determination; Organic chemistry ; Particulate air pollutants; Gas analysis; Sampling equipment; Filters; Sampling methods; Thermography

Product Code(s): 30239712

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CIE S 017/E:2011

ILV: International lighting vocabulary, new

Commission Internationale de L’Eclairage / 18-Aug-2011 / 203 pages

This new edition of the International Lighting Vocabulary (ILV) is the result of intensive work carried out by the Divisions of the CIE to update, and supplement where necessary, the contents of the previous edition (1987). Many new terms have been added, to reflect changes in technologies and practices, existing terms have been updated as necessary, and obsolete terms have been removed.

The aim of this edition of the International Lighting Vocabulary is to promote international standardization in the use of quantities, units, symbols and terminology related to the science and art of light and lighting, colour and vision, photobiology and image technology.

This vocabulary provides the definitions and essential information necessary for the understanding and correct usage of the terms included. It does not give extensive detail or explanations of the application of these terms; such information, relevant for experts in each specialized field, is available in the Technical Reports and Standards produced by the CIE.

For this new edition it was decided to restructure the vocabulary to a fully alphabetical arrangement (based on the English terms), without any division into sections or sub-sections. This decision was taken in order to simplify the ILV and aid its use.

The Standard comprises 203 pages and presents the definitions of 1448 terms related to light and lighting.

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JEDEC JESD8-25

POD10 ? 1.0 V Pseudo Open Drain Interface

JEDEC Solid State Technology Association / 01-Sep-2011 / 16 pages

This document defines the 1.2 V Pseudo Open Drain Interface family of interface standards, POD12, which are generally expected to be implemented with differential amp-based input buffers that, when in single-ended mode, employ an externally supplied (or internal supplied) reference voltage controlled trip-point.

Although this standard is named for the nominal value of VDDQ to be used, it is the input trip-point value that provides for inter operability of POD12 compliant devices.

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CSA C22.2 NO. 0.22-11

Evaluation methods for arc resistance ratings of enclosed electrical equipment

Edition: 1st
Canadian Standards Association / 01-Aug-2011 / 50 pages

Preface

This is the first edition of CSA C22.2 No. 0.22, Evaluation methods for arc resistance ratings of enclosed electrical equipment, one of a series of Standards issued by the Canadian Standards Association under Part II of the Canadian Electrical Code.

Scope

1.1

This Standard establishes methods by which metal-enclosed equipment can be tested for resistance to the effects of arcing resulting from an internal fault.

1.2

This Standard applies only to indoor and outdoor equipment that uses air as the primary insulating medium and that is rated up to 46 kV ac.
Note: Building size and construction are factors to be considered in indoor applications. These factors are not addressed in this Standard.

1.3

The tests and assessments described in this Standard are applicable only to arcing faults occurring entirely in air within the enclosure when all doors and covers are properly secured.

1.4

This Standard does not apply to arcing faults that occur within a component of the assembly, such as instrument transformers, sealed interrupting devices, or fuses.

1.5

Metal-enclosed switchgear designs that meet the requirements of this Standard are referred to as arc-resistant switchgear. Motor control designs that meet the requirements of this Standard are referred to as arc-resistant motor control.

Note: Annex C provides additional information on the consequences of internal arc faults, equipment qualified to this Standard, relevance of tests, and the application of this Standard.

1.6

In CSA Standards, "shall" is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; "should" is used to express a recommendation or that which is advised but not required; and "may" is used to express an option or that which is permissible within the limits of the Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.

Notes to tables and figures are considered part of the table or figure and may be written as requirements.

Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.

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IEC 62047-9 Ed. 1.0 b:2011

Semiconductor devices – Micro-electromechanical devices – Part 9: Wafer to wafer bonding strength measurement for MEMS

Edition: 1.0
International Electrotechnical Commission / 13-Jul-2011 / 49 pages

IEC 62047-9:2011 describes bonding strength measurement method of wafer to wafer bonding, type of bonding process such as silicon to silicon fusion bonding, silicon to glass anodic bonding, etc., and applicable structure size during MEMS processing/assembly. The applicable wafer thickness is in the range of 10 ohmm to several millimeters.

Keywords:
62047-9

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DIN 65946

Aerospace – Determination of coefficient of friction of bolt/nut assemblies under specified conditions; Text in German and English

Deutsches Institut Fur Normung E.V. (German National Standard) / 01-Sep-2011 / 32 pages

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