Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-3-12:2017+A1:2021 applies to transportable threading machines. The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the applicability of this standard for battery tools are given in Annex K. This standard deals with the hazards presented by tools which are encountered…
Measuring relays and protection equipment - Part 187-1: Functional requirements for differential pro...
IEC 60255-187-1:2021 specifies the minimum requirements for functional and performance evaluation of (longitudinal) differential protection designed for the detection of faults in ac motors, generators and transformers. This document also defines how to document and publish performance test results. This document defines the influencing factors that affect the accuracy under steady state…
Information technology — Linear tape file system (LTFS) Format specification
This document defines the LTFS Format requirements for interchanged media that claims LTFS compliance. Those requirements are specified as the size and sequence of data blocks and file marks on the media, the content and form of special data constructs (the LTFS Label and LTFS Index), and the content of the partition labels and use of MAM parameters.
The data content (not the physical media) of…
High-voltage switchgear and controlgear - Part 101: Synthetic testing
IEC 62271-101:2021 mainly applies to AC circuit-breakers within the scope of IEC 62271-100. It provides the general rules for testing AC circuit-breakers, for making and breaking capacities over the range of test duties described in 7.102 to 7.111 of IEC 62271-100:2021, by synthetic methods.
It has been proven that synthetic testing is an economical and technically correct way to test high-…
Information technology - Linear tape file system (LTFS) Format specification
This document defines the LTFS Format requirements for interchanged media that claims LTFS compliance. Those requirements are specified as the size and sequence of data blocks and file marks on the media, the content and form of special data constructs (the LTFS Label and LTFS Index), and the content of the partition labels and use of MAM parameters.
The data content (not the physical media) of…
Meat and meat products — Determination of L-(+)-glutamic acid content — Reference method
This document specifies the spectrophotometer method and the light absorption microplate reader method for the determination of the free L-(+)-glutamic acid content of meat and meat products.
This document is applicable to meat and meat products, including livestock and poultry products.
Metallic cables and other passive components test methods - Part 4-7: Electromagnetic compatibility ...
IEC 62153-4-7:2021 is available as IEC 62153-4-7:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62153-4-7:2021 deals with the triaxial tube in tube method. This triaxial method is suitable to determine the surface transfer impedance and/or screening attenuation and coupling…
Liquid petroleum products — Determination of hydrocarbon types and oxygenates in automotive-motor ga...
This document specifies the gas chromatographic (GC) method for the determination of saturated, olefinic and aromatic hydrocarbons in automotive motor gasoline and ethanol (E85) automotive fuel. Additionally, the benzene and toluene content, oxygenated compounds and the total oxygen content can be determined.
NOTE 1 For the purposes of this document, the terms % (m/m) and % (V/V) are used to…
Photovoltaic system performance - Part 1: Monitoring
IEC 61724-1:2021 is available as IEC 61724-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61724-1:2021 outlines terminology, equipment, and methods for performance monitoring and analysis of photovoltaic (PV) systems. It also serves as a basis for other standards which rely upon…
Surface mounting technology - Part 2: Transportation and storage conditions of surface mounting devi...
IEC 61760-2:2021 is available as IEC 61760-2:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61760-2:2021 specifies the transportation and storage conditions for surface mounting devices (SMDs) that are fulfilled in order to enable trouble-free processing of surface mounting devices,…
