ASTM C835-06(2020) - Standard Test Method for Total Hemispherical Emittance of Surfaces up to 1400°C
March 1, 2020 - ASTM International

1.1 This calorimetric test method covers the determination of total hemispherical emittance of metal and graphite surfaces and coated metal surfaces up to approximately 1400°C. The upper-use temperature is limited only by the characteristics (for example, melting temperature,...

ASTM E3215-19 - Standard Practice for Certification of Less Lethal Aerosol Devices Used by Law Enforcement, Corrections, and Other Public Safety Officers
August 15, 2019 - ASTM International

1.1 This practice establishes the certification requirements for less lethal aerosol devices used by law enforcement, corrections officers, and other public safety officers. 1.1.1 This practice is intended to be used by certification bodies and by purchasers and...

1680.1a-2020 - IEEE Standard for Environmental and Social Responsibility Assessment of Computers and Displays--Amendment 1: Editorial and Technical Corrections and Clarifications
2020 Edition, April 10, 2020 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

IEEE Std 1680.1 was published in March 2018 with a number of editorial and technical errors. This amendment addresses, and is limited to, editorial and technical corrections and clarifications in IEEE Std 1680.1-2018. This amendment does not include...

ASTM E3195-19 - Standard Guide for Body Armor Program Management
August 1, 2019 - ASTM International

4.1 This guide is intended for use by law enforcement, corrections, or other public safety agencies in planning and managing a body armor program. The overarching objective is officer safety and assisting with risk management. 4.2 This guide was developed via a collaborative...

ASTM D3338/D3338M-20 - Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels
May 15, 2020 - ASTM International

1.1 This test method covers the estimation of the net heat of combustion (megajoules per kilogram or [Btu per pound]) of aviation gasolines and aircraft turbine and jet engine fuels in the range from 40.19 MJ/kg to 44.73 MJ/kg or [17 280 Btu/lb to 19 230 Btu/lb]. The...

ASTM D7468-20 - Standard Test Method for Cummins ISM Test
July 1, 2020 - ASTM International

5.1 This test method was developed to assess the performance of an engine oil to control engine wear and deposits under heavy-duty operating conditions selected to accelerate soot generation, valve train wear, and deposit formation in a turbocharged, aftercooled...

Power Factor Correction
Associated Power Technologies, Inc.

This whitepaper discusses power factor correction (PFC), which is a commonly employed method to reduce harmonic distortion and increase efficiency in an AC power source.

ASTM C598-93(2019) - Standard Test Method for Annealing Point and Strain Point of Glass by Beam Bending
August 1, 2019 - ASTM International

4.1 This test method offers an alternate procedure to Test Method C336 for determining the annealing and strain points of glass. It is particularly recommended for glasses not adaptable to flame working. Also fewer corrections are necessary in data reduction.

ASTM F1450-12a(2019) - Standard Test Methods for Hollow Metal Swinging Door Assemblies for Detention and Correctional Facilities
April 1, 2019 - ASTM International

1.1 These test methods cover requirements for mechanical tests, simulated service test, and testing equipment for determining the performance characteristics of swinging detention hollow metal door assemblies of various styles and types of construction for use in wall openings...

ASTM E2236-10(2019) - Standard Test Methods for Measurement of Electrical Performance and Spectral Response of Nonconcentrator Multijunction Photovoltaic Cells and Modules
April 1, 2019 - ASTM International

1.1 These test methods provide special techniques needed to determine the electrical performance and spectral response of two-terminal, multijunction photovoltaic (PV) devices, both cell and modules. 1.2 These test methods are modifications and extensions of the...