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ASTM B854-98(2022) - Standard Guide for Measuring Electrical Contact Intermittences
April 1, 2022 - ASTM International

4.1 This guide suggests techniques to evaluate intermittences in a contact pair while it is subjected to simulated or actual environmental stress. Such measurements are a valuable tool in predicting circuit performance under these stress conditions and in diagnosing observed problems in circuit...

ASTM E1324-21 - Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing Instruments
June 1, 2021 - ASTM International

1.1 This guide describes procedures for electronically measuring the following performance-related characteristics of some sections of ultrasonic instruments: 1.1.1 Power Supply Section: line regulation, battery discharge time, and battery charge time. 1.1.2 Pulser Section: pulse shape, pulse...

ASTM E2382-04(2020) - Standard Guide to Scanner and Tip Related Artifacts in Scanning Tunneling Microscopy and Atomic Force Microscopy
December 1, 2020 - ASTM International

4.1 This compilation is limited to artifacts observed in scanning tunneling microscopes and contact-mode atomic force microscopes. In particular, this document focuses on artifacts related to probe motion and geometrical considerations of the tip and surface interaction. Many of the artifacts...

DS/EN IEC 63034 - Microspeakers
August 24, 2020 - DS

IEC 63034:2020 specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude...

CEI IEC/TR 62002-4 - Mobile and portable DVB-T/H radio access Part 4: Measurement methods for total radiated sensitivity in hand-held broadcast terminals
September 1, 2020 - CEI

This part of IEC 62002 gives a standard method to test Total Radiated Sensitivity (TRS) of a category c) terminal specified in IEC 62002-1. This is a practical measure of the radiated sensitivity as it takes into account both the terminal antenna efficiency and possible terminal generated...

IEC 63034 - Microspeakers
June 1, 2020 - IEC

This document specifies the characteristics of microspeakers as well as the relevant test methods on microspeakers using steady-state sinusoidal signals, sinusoidal chirp, multi-tone or noise. The main characteristics include, but are not limited to, impedance, displacement, amplitude...

ASTM D6820-20 - Standard Guide for Use of the Time Domain Electromagnetic Method for Geophysical Subsurface Site Investigation
January 1, 2020 - ASTM International

5.1 Concepts: 5.1.1 All TDEM/TEM instruments are based on the concept that a time-varying magnetic field generated by a change in the current flowing in a large loop on the ground will cause current to flow in the earth below it (Fig. 3). In the typical TDEM/TEM system, these earth-induced currents...

ASTM E1432-19 - Standard Practice for Defining and Calculating Individual and Group Sensory Thresholds from Forced-Choice Data Sets of Intermediate Size
August 1, 2019 - ASTM International

6.1 Sensory thresholds are used to determine the potential of substances at low concentrations to impart odor, taste, skinfeel, etc. to some form of matter. 6.2 Thresholds are used, for example, in setting limits in air pollution, in noise abatement, in water treatment, and in food systems....

DS/EN ISO 7779 - Acoustics – Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:2018)
December 17, 2018 - DS

This document specifies procedures for measuring and reporting the noise emission of information technology and telecommunications equipment. NOTE 1 - This document is considered part of a noise test code (see 3.1.2) for this type of equipment and is based on basic noise...

ISO 7779 - Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment
November 1, 2018 - ISO

This document specifies procedures for measuring and reporting the noise emission of information technology and telecommunications equipment. NOTE 1 This document is considered part of a noise test code (see 3.1.2) for this type of equipment and is based on basic noise emission...

ASTM F1583-95(2019) - Standard Practice for Communications Procedures—Phonetics
April 1, 2019 - ASTM International

4.1 Communications Errors and Delays-Communications systems, including their procedures and channels, are subject to errors due to noise, interference, weak signals, mistakes, and other causes. They are also subject to delays due to the necessity to detect and correct these errors. There may...

DS/CISPR TR 18-3 - Radio interference characteristics of overhead power lines and high-voltage equipment – Part 3: Code of practice for minimizing the generation of radio noise
November 2, 2017 - DS

NEW!CISPR TR 18-3:2017 is available as CISPR TR 18-3:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.CISPR TR 18-3:2017 which is a technical report, applies to radio noise from overhead...

ASTM D6820-18 - Standard Guide for Use of the Time Domain Electromagnetic Method for Subsurface Site Characterization
February 1, 2018 - ASTM International

5.1 Concepts: 5.1.1 All TDEM/TEM instruments are based on the concept that a time-varying magnetic field generated by a change in the current flowing in a large loop on the ground will cause current to flow in the earth below it (Fig. 3). In the typical TDEM/TEM system, these earth-induced currents...

ISO 9296 - Acoustics - Declared noise emission values of information technology and telecommunications equipment
August 1, 2017 - ISO

This document is applicable to information technology and telecommunications equipment. It specifies: a) for a batch of equipment, the method for determining the following values: - the declared mean A-weighted sound power level, LWA,m; - the declared mean A-weighted emission sound pressure level,...

IEC CISPR/TR 18-3 - Radio interference characteristics of overhead power lines and high-voltage equipment – Part 3: Code of practice for minimizing the generation of radio noise
October 1, 2017 - IEC

This part of CISPR 18, which is a technical report, applies to radio noise from overhead power lines and high-voltage equipment which may cause interference to radio reception, excluding the fields from power line carrier signals. The frequency range covered is 0,15 MHz to 3 GHz.

IEC CISPR/TR 18-3 REDLINE - Radio interference characteristics of overhead power lines and high-voltage equipment – Part 3: Code of practice for minimizing the generation of radio noise
October 1, 2017 - IEC

This part of CISPR 18, which is a technical report, applies to radio noise from overhead power lines and high-voltage equipment which may cause interference to radio reception, excluding the fields from power line carrier signals. The frequency range covered is 0,15 MHz to 3 GHz.

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