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BS EN 17066-1:2019 pdf free

BS EN 17066-1:2019 pdf free.Insulated means of transport for temperature sensitive goods - Requirements and testing. 4 Requirements for containers and kits 4.1 General All containers shall be designed in order to reach the relevant K-value for its application. 4.2 Materials and components The materials shall be durable and shall not encourage the development of mould or emit odours. Internal...

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BS EN 50041:2019 pdf free

BS EN 50041:2019 pdf free.Low-voltage switchgear and controlgear -Control switches - Position switches 42,5 x 80- Dimensions and characteristics. 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 60947-5-1:2017 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http://www.electropedia.org/...

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BS EN 17131:2019 pdf free

BS EN 17131:2019 pdf free.Textiles and textile products - Determination of dimethylformamide (DMF), method using gas chromatography. 4 Principle of method The sample is cut into small pieces and extracted with methanol, in a sealed vial at 70°C, in an ultrasonic bath. An aliquot of the extract is analysed using a gas chromatograph with mass selective detector (GC-MS). 5 Reagents...

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BS EN 17130:2019 pdf free

BS EN 17130:2019 pdf free.Textiles and textile products - Determination of dimethylfumarate (DMFu), method using gas chromatography. The sample is cut into small pieces and extracted with acetone in a sealed vial at a defined temperature in an ultrasonic bath. Two different procedures are proposed to be used, depending on the material being tested: a) the first procedure, without purification...

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BS ISO 13939:2019 pdf free

BS ISO 13939:2019 pdf free.Foil bearings - Performance testing of foil journal bearings一Testing of static load capacity, friction coefficient and lifetime. The test mainly aims to measure and evaluate the static load capacity, friction coefficient and lifetime of foil journal bearings. These primary performance metrics of the foil journal bearing as a mechanical element with a specific dimension are closely...

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BS IEC 62951-2:2019 pdf free

BS IEC 62951-2:2019 pdf free.Semiconductor devices - Flexible and stretchable semiconductor devices. The stability test of a flexible TFT is carried out using four kinds of biased evaluation. The negative-bias-stress (NBS) test is carried out with a VGs of -20 V at a fixed Vps of 10 V under dark and the substrate temperature is maintained at 20 °C and...

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BS ISO 7870-1:2019 pdf free

BS ISO 7870-1:2019 pdf free.Control charts. 3.1 control chart chart with control limits (3.2) on which some statistical measure of a series of samples is plotted in a particular order to steer the process with respect to that measure Note 1 to entry: The particular order is usually based on time or sample number order. Note 2 to entry: The...

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BS EN 50693:2019 pdf free

BS EN 50693:2019 pdf free.Product category rules for life cycle assessments of electronic and electrical products and systems. To quantify the potential environmental impacts caused by EEPS, LCA compliant with EN ISO 14040 and EN ISO 14044 shall be performed. And results can then be used to identify improvement potentials in terms of e.g. environmental conscious product design. In addition,...

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BS EN 50518:2019 pdf free

BS EN 50518:2019 pdf free.Monitoring and Al larm Receiving Centre. 4.1 Categorization The planning for the construction of an ARC should be determined by the intended categorization. ARC'S are categorized according to the type(s) of alarm messages handled and the consequent requirements for integrity and security of construction, communications, operation and information. This standard gives recommendations for two categories of...

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BS EN 2465:2019 pdf free

BS EN 2465:2019 pdf free.Aerospace series - Steel X2CrNi18-9 (1.4307)-Softened - 450 MPa≤Rm≤680 MPa- Bars for machining- 4 mm≤De≤100 mm. 1 Scope This document specifies the requirements relating to: Steel X2CrNi18-9 (1.4307) Softened 450MPa≤Rm≤680MPa Bars for machining 4mm≤De≤100mm for aerospace applications. 2 Normative references The following documents are referred to in the text in such a way that some or...

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