loading
ASTM D5902-05(2019) - Standard Test Method for Rubber—Determination of Residual Unsaturation in Hydrogenated Nitrile Rubber (HNBR) by Iodine Value
December 1, 2019 - ASTM International

1.1 This test method covers the Wiijs procedure for the determination of unsaturation (iodine value) in hydrogenated nitrile rubbers. 1.2 This test method is applicable only to those hydrogenated nitrile rubbers derived from copolymers of acrylonitrile and butadiene. 1.3 Iodine...

ASTM E2341/E2341M-05(2019) - Standard Test Method for Determining the Stopping Distance Number by Initial Speed and Stopping Distance at Traffic Incident Sites
December 1, 2019 - ASTM International

4.1 The SDN determined by this method represents an average over the interval from the beginning of brake application to the rest position. It may be a reasonable estimate of the SDN during one or more portions of the specified traffic incident if the test conditions and the...

ASTM E977-05(2019) - Standard Practice for Thermoelectric Sorting of Electrically Conductive Materials
December 1, 2019 - ASTM International

1.1 This practice covers the procedure for sorting materials using the thermoelectric method, which is based on the Seebeck effect. The procedure relates to the use of direct- and comparator-type thermoelectric instruments for distinguishing variations in materials which affect...

C57.13.5-2019 - IEEE Approved Draft Standard of Performance and Test Requirements for Instrument Transformers of a Nominal System Voltage of 115 kV and Above
2019 Edition, November 7, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Single-phase instrument transformers of a nominal system voltage of 115 kV and above with capacitive insulation system for line-to-ground connection and for both indoor and outdoor application are discussed in this standard. This standard is intended for use as a...

P1914.1/D5.3, Sep 2019 - IEEE Approved Draft Standard for Packet-based Fronthaul Transport Networks
2019 Edition, November 7, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The architecture and requirements for next generation fronthaul networks are specified in this standard. NGFI-I is defined as the next generation fronthaul network with low layer splits in a baseband station. NGFI-II is defined as the next generation fronthaul network with high layer splits...

ASTM E1360-05(2019) - Standard Practice for Specifying Color by Using the Optical Society of America Uniform Color Scales System
November 1, 2019 - ASTM International

1.1 This practice provides a means for specifying the colors of objects in terms of the Optical Society of America Uniform Color Scales. Both computational and visual methods are included. The practice is limited to opaque objects, such as painted surfaces, viewed in...

ASTM E2367-05(2019) - Standard Test Method for Measurement of Nighttime Chromaticity of Pavement Marking Materials Using a Portable Retroreflection Colorimeter
November 1, 2019 - ASTM International

5.1 The chromaticity of the stripe is determined by means of the tristimulus values X, Y and Z for the CIE 1931 (2°) standard observer for CIE standard illuminant A, which are converted to the chromaticity coordinates (x, y) and shown in the CIE 1931 (x, y)-chromaticity...

ASTM D4196-05(2019) - Standard Test Method for Confirming the Sterility of Membrane Filters
November 1, 2019 - ASTM International

5.1 This test method may be employed to check the sterility of commercially procured sterile membrane filters. The test also confirms that sterilized filters have not been contaminated. Additionally, this test may be used to monitor the efficacy of in-house sterilization procedures....

P1276/D4.5, Oct 2019 - IEEE Draft Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Distribution, Power and Regulating Transformers
2019 Edition, October 31, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Technical information is provided in this guide related to liquid-immersed power, distribution, and regulating transformers that are designed to operate at temperatures that exceed the normal thermal limits of IEEE Std C57.12.00(TM), under continuous load, in the designed average ambient and...

PC57.148/D5, Sept 2019 - IEEE Draft Standard for Control Cabinets for Power Transformers
2019 Edition, October 24, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Requirements for the design and construction of control cabinets on power transformers are covered by this standard.

Advertisement