Twinax cables for digital communications - Part 2: Family specification - Cable for Ethernet-over-tw...
IEC 62783-2:2019 covers indoor cables and specifies the definitions and requirements of twin-axial cables used in digital communication systems. This document, which is a family specification, gives additional requirements for twinax cables for use in IEEE Std 802.3 Ethernet physical interfaces.
This document gives requirements and transmission characteristics for single twinax elements as well…
Radiological protection — X and gamma reference radiation for calibrating dosemeters and doserate me...
This document specifies the characteristics and production methods of X and gamma reference radiation for calibrating protection-level dosemeters and doserate meters with respect to the phantom related operational quantities of the International Commission on Radiation Units and Measurements (ICRU)[5]. The lowest air kerma rate for which this standard is applicable is 1 µGy h?1. Below this air…
Radiological protection — X and gamma reference radiation for calibrating dosemeters and doserate me...
This document specifies the procedures for the dosimetry of X and gamma reference radiation for the calibration of radiation protection instruments over the energy range from approximately 8 keV to 1,3 MeV and from 4 MeV to 9 MeV and for air kerma rates above 1 µGy/h. The considered measuring quantities are the air kerma free-in-air, Ka, and the phantom related operational quantities of the…
Furniture — Children's cots and folding cots for domestic use — Part 1: Safety requirements
This document specifies requirements for children's cots and folding cots for domestic use with an internal length of between 900 mm and 1 400 mm.
This document applies to cots that are fully assembled and ready for use.
NOTE It is possible that additional requirements be applied for cots that can be converted into other items (e.g. changing units, playpens).
This document does not…
Low-voltage switchgear and controlgear - Part 7-4: Ancillary equipment - PCB terminal blocks for cop...
IEC 60947-7-4:2019 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 60947-7-4:2019 specifies requirements for PCB terminal blocks primarily intended for industrial or similar use…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-2-4:2019 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 61300-2-4:2019 is to ensure that the retention or attachment of the fibre, cord or cable in a fibre optic…
Packaging of components for automatic handling - Part 3: Packaging of surface mount components on co...
IEC 60286-3:2019 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 60286-3:2019 is applicable to the tape packaging of electronic components without leads or with lead stumps,…
Heat-treatable steels, alloy steels and free-cutting steels — Part 3: Case-hardening steels
This document specifies the technical delivery requirements for
— semi-finished products, hot formed, e.g. blooms, billets, slabs (see NOTE 1),
— bars (see NOTE 1),
— wire rod,
— finished flat products, and
— hammer or drop forgings (see NOTE 1)
manufactured from the case-hardening non-alloy or alloy steels listed in Table 3 and supplied in one of the…
Hydraulic machines - Guidelines for dealing with hydro-abrasive erosion in Kaplan, Francis and Pelto...
IEC 62364:2019 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 62364:2019 gives guidelines for:
a) presenting data on hydro-abrasive erosion rates on several combinations of…
Hydraulic machines - Guidelines for dealing with hydro-abrasive erosion in Kaplan, Francis and Pelto...
IEC 62364:2019 is available as IEC 62364:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62364:2019 gives guidelines for:
a) presenting data on hydro-abrasive erosion rates on several combinations of water quality, operating conditions, component materials, and component properties…
