Standards World

BS EN ISO 15614-13:2021 pdf free download - Specification and qualification of welding procedures for metallic materials一Welding procedure test. A macrosection transverse to the weld shall be prepared and etched in order to clearly show the weld...

BS EN ISO 9680:2021 pdf free download - Dentistry一Operating lights. 52.6 Shadow The hard shadow of a disc with 20 mm diameter at a distance of 50 mm shall have no dimension greater than 12mm. Test in...

BS EN ISO 8611-1:2022 pdf free download - Pallets for materials handling一Flat pallets Part 1: Test methods. 8.5.3.2 Test 5b — Determination of bending stiffness Apply a datum load of (1,5 ± 0,5) % of the ultimate...

BS EN ISO 4787:2021 pdf free download - Laboratory glass and plastic ware一 Volumetric instruments - - Methods for testing of capacity and for use. Determine the delivery time while the tip of the jet is in...

BS EN ISO 3382-3:2022 pdf free download - Acoustics - Measurement of room acoustic parameters Part 3: Open plan offices. 5.4 Background noise level The background noise level is measured at each measurement position in octave bands...

BS EN ISO 178:2019 pdf free download - Plastics - Determination of flexural properties. 9.4 Statistical parameters Calculate the arithmetic mean of the test results and, if required, the standard deviation and the 95 % confidence interval...

BS EN IEC 60974-8:2021 pdf free download - Arc welding equipment Part 8: Gas consoles for welding and plasma cutting systems. 7 Thermal requirements 7.1 HeatIng test As specified in 7.1 of IEC 60974-1:2017. 7.2 Temperature measurement...

BS EN 50702:2021 pdf free download - Railway applications一Rolling stock一 Conductor rail current collectors (shoegear): Characteristics and tests. 7.3.2 Checking of the operating system of the current collector (if applicable) The current collector shall be coupled to...

BS EN 17617:2021 pdf free download - Outdoor candles - Product safety labels. 4 Product safety labels 4.1 General Prior to developing a product safety label, an assessment of the product’s hazards and the risk associated with...

BS EN 17539:2021 pdf free download - Modular mechanical locked floor coverings (MMF)一 Determination of geometrical characteristics. 8.1.6 Record the measured values for each test specimen to the nearest 0,01 mm. 8.2 Determination of length and width...