Methods of testing petroleum and associated products Standard test method for the identification of ...
This test method is a standard procedure for the determination of paraffins, olefins, naphthenes, aromatics
and unknowns (P.O.N.A.U.) in automotive gasolines using gas chromatography and flame ionization detection
(GC/FID). Individual hydrocarbon components greater than or equal to 0.01 % by mass are determined. Group types
greater than or equal to 0.01 % by mass are determined by summing…
Industrial-process control valves - Part 4: Inspection and routine testing
IEC 60534-4:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60534-4:2021 specifies the requirements for the inspection and routine testing of control valves manufactured in…
Industrial-process control valves - Part 4: Inspection and routine testing
IEC 60534-4:2021 specifies the requirements for the inspection and routine testing of control valves manufactured in conformity with the other parts of IEC 60534. This document is applicable to valves with pressure ratings not exceeding Class 2500. The requirements for actuators apply only to pneumatic actuators. This document does not apply to the types of control valves where radioactive…
Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and met...
CISPR 25:2021 contains limits and procedures for the measurement of radio disturbances in the frequency range of 150 kHz to 5 925 MHz. This document applies to vehicles, boats, internal combustion engines, trailers, devices and any electronic/electrical component intended for use in vehicles, boats, trailers and devices. Refer to International Telecommunications Union (ITU) publications for…
Railway applications - Current collection systems - Pantographs, testing methods for contact strips
IEC 62499:2021 gives rules for testing methods for newly manufactured pantographs contact strips. Not all tests may be relevant to some designs of contact strips. This document excludes tests using a particular pantograph. Additional supplementary tests, out of the scope of this document, may be necessary to determine suitability for a particular application and are by prior agreement between…
Household and similar electrical appliances - Safety - Part 2-36: Particular requirements for commer...
IEC 60335-2-36:2021 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-36:2021 edition 7.0 and the previous IEC 60335-2-36:2017 edition 6.0. Futhermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes.
IEC 60335-2-36:2021…
Household and similar electrical appliances - Safety - Part 2-64: Particular requirements for commer...
IEC 60335-2-64:2021 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-64:2021 edition 4.0 and the previous IEC 60335-2-64:2002+AMD1:2007+AMD2:2017 CSV edition 3.2. Futhermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes…
Thermal standardization on semiconductor packages - Part 1: Thermal resistance and thermal parameter...
IEC TR 63378-1:2021(E) specifies the terms and definitions that are commonly used for thermal characteristics of BGA and QFP type semiconductor packages, and guidelines to use these thermal characteristics.
Household and similar electrical appliances - Safety - Part 2-36: Particular requirements for commer...
IEC 60335-2-36:2021 deals with the safety of electrically operated commercial cooking and baking ranges, ovens, hobs, hob elements and similar appliances, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral and 480 V for other appliances.
These appliances are not intended for household and similar purposes. They are used for…
Household and similar electrical appliances - Safety - Part 2-64: Particular requirements for commer...
IEC 60335-2-64:2021 deals with the safety of electrically operated commercial kitchen machines, their rated voltage being not more than 250 V for single phase appliances connected between one phase and neutral, and 480 V for other appliances including direct current (DC) supplied appliances and battery operated appliances.
These appliances are not intended for household and similar purposes.…
