Standards World

IEC 61514:2000 pdf free download – Industrial-process control systems

IEC 61514:2000 pdf free download - Industrial-process control systems 1 Scope and object This International Standard specifies tests designed to determine the static and dynamicperformance of single-acting or double-acting positioners. The tests may be applied topositioners which...

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ISO 7745:2010 pdf free download – Hydraulic fluid power一Fire-resistant (FR) fluids一Requirements and guidelines for use

ISO 7745:2010 pdf free download - Hydraulic fluid power一Fire-resistant (FR) fluids一Requirements and guidelines for use. The optimum concentration shall be decided after tests with the fluid and the diluting water, and discussion with the fluid supplier. When...

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ISO 7668:2010 pdf free download – Anodizing of aluminium and its alloys一 Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20° 45°, 60° or 85°

ISO 7668:2010 pdf free download - Anodizing of aluminium and its alloys一 Measurement of specular reflectance and specular gloss of anodic oxidation coatings at angles of 20° 45°, 60° or 85°. 5 Optical standards 5.1 Reference standards...

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ISO 07779:2010 pdf free download – Acoustics一Measurement of airborne noise emitted by information technology and telecommunications equipment

ISO 07779:2010 pdf free download - Acoustics一Measurement of airborne noise emitted by information technology and telecommunications equipment. c) relative humidity: within the range defined by the manufacturer for the equipment, if a range is defined; for processing...

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ISO 07628:2010 pdf free download – Road vehicles一Thermoplastics tubing for air braking systems

ISO 07628:2010 pdf free download - Road vehicles一Thermoplastics tubing for air braking systems. 9.13 Heat ageing 9.13.1 Procedure The applied materials shall comply with this International Standard, including thermoplastic adhesive materials used to join together any dissimilar...

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ISO 7401:2011 pdf free download – Road vehicles一Lateral transient response test methods一Open-loop test methods

ISO 7401:2011 pdf free download - Road vehicles一Lateral transient response test methods一Open-loop test methods. If optional lateral acceleration levels are measured, it is useful to present data as functions of lateral acceleration. 11.3.5 Asymmetry factors The justification...

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ISO 7240:2011 pdf free download – Fire detection and alarm systems一 Part 11: Manual call points

ISO 7240:2011 pdf free download - Fire detection and alarm systems一 Part 11: Manual call points. 5.7.2.4.1 Monitor the specimen during the conditioning period to detect any alarm or fault signals. 5.7.2.4.2 During the last half hour...

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ISO 7240-24:2010 pdf free download – Fire detection and fire alarm systems一 Part 24: Sound-system loudspeakers

ISO 7240-24:2010 pdf free download - Fire detection and fire alarm systems一 Part 24: Sound-system loudspeakers. 5.4 Horizontal and vertical coverage angles 5.4.1 Object of the test To check that the horizontal and vertical coverage angles specified...

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ISO 7240-11:2011 pdf free download – Fire detection and alarm systems – Part 11: Manual call points

ISO 7240-11:2011 pdf free download - Fire detection and alarm systems - Part 11: Manual call points. 5.1.6 Provisions for tests 5.1.6.1 The following shall be provided for testing compliance with this part of ISO 7240: a)...

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ISO 7240-7:2011 pdf free download – Fire detection and alarm systems一 Part 7: Point-type smoke detectors using scattered light, transmitted light or ionization

ISO 7240-7:2011 pdf free download - Fire detection and alarm systems一 Part 7: Point-type smoke detectors using scattered light, transmitted light or ionization. 5.18.2.3 Mounting of specimens Mount the four specimens (Nos. 17, 18, 19 and 20)...

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