Standards World

BS 148:2009 pdf free download - Reclaimed mineral insulating oil for transformers and switchgear - Specification. 3.9 re-refined oil mineral insulating oil used in electrical equipment which has been subjected to extensive chemical and/or physical processing, similar...

BS ISO 704:2009 pdf free download - Terminology work - Principles and methods. 5.5.2.2 Generic relations 5.5.2.2.1 Generic relations and general concepts As mentioned in 5.4.2, the characteristics associated with a concept constitute its intension, and all...

BS EN 80000-13:2009 pdf free download - Quantities and units - Part 13: Information science and technology. Such units are separated from the SI units in the item by use of a broken line between the SI...

BS EN 60987:2009 pdf free download - Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems. 1.3 Applicability of this standard to programmable logic devices development l&C components may...

BS EN 50490:2009 pdf free download - Electrical installations for lighting and beaconing of aerodromes - Technical requirements for aeronautical ground lighting control and monitoring systems - - Units for selective switching and monitoring of individual lamps....

BS EN 50413:2009 pdf free download - Basic standard on measurement and calculation procedures for human exposure to electric, magnetic and electromagnetic fields (0 Hz- 300 GHz). The E-field probe should have an isotropic response (within ±...

BS EN 50345:2009 pdf free download - Railway applications - Fixed installations - Electric traction一Insulating synthetic rope assemblies for support of overhead contact lines. The supplier shall provide a safety case for insulating synthetic ropes with novel...

BS EN 50304:2009 pdf free download - Electric cooking ranges, hobs, ovens and grills for household use一Methods for measuring performance. Place markings 32 mm from the measuring point of the two thermocouples according to 5.3, and insert...

BS EN 4649:2009 pdf free download - Aerospace series Handheld fire extinguishers with synthesis gases, for aircraft use - Technical specification and qualification conditions. 7.13 Fire extinguisher tightness Leakage shall be limited to: 1 cc of gas...

BS EN 04084:2009 pdf free download - Aerospace series- Nuts, anchor, self- locking, fixed, two lug, with counterbore, in alloy steel, cadmium plated, MoS2 lubricated Classification: 1 100 MPA (at ambient temperature)/ 235 °C. BS EN 04084...