Environmental conditions. Vibration and shock of electrotechnical equipment - Transportation by rotary wing aircraftWhat is PD IEC TR 621317 about? PD IEC TR 621317 is part of PD IEC TR 62131 series of standards that reviews the available dynamic data relating to the transportation of electrotechnical equipment by rotorcraft (helicopters). The intent is that from all the available data an environmental description will be generated and compared to that set out in IEC 60721 (all parts). For each of the sources identified the quality of the data is reviewed and

BS EN 60730-1 helps to assist automatic action for which the manufacturing deviation and the drift of its operating value

transient and continuous interference can be considered as equivalent to axle counter detectors or axle counter sensors

Some optical fibre splice configurations require special qualification provisions which shall not be imposed universally

BS EN 60512-14-2 walks you through the test method of measuring the air leakage sealing of connectors for electronic equipment

This European Standard specifies additional requirements to those specified in EN 50136-2-1 for equipment used in voice communicator systems utilizing the public switched telephone network

BS EN 2240-017 specifies the required characteristics for the lamp

ISO/IEC 10373-2 specifies the test procedures used to check cards against the parameters specified in this part of ISO/IEC 7811

The test method specified is also applicable to evaluation of the specific photocatalytic self-cleaning activity of surfaces covered with respective coatings

Manufacturers and suppliers of black hexagon bolts

The shaping of the corners of screens is not specified

Axial retaining rings are designed for axial installation into machined grooves

This is to be read with the National Annex: