Meteorology. Weather radar - System performance and operationWhat is this standard about? This document specifies system performance of ground based weather radar systems measuring the atmosphere using frequencies between 2 GHz and 10 GHz. These systems are suitable for the area wide detection of precipitation and other meteorological targets at different altitudes. This document also describes ways to verify the different aspects of system performance, including infrastructure. This document is applicable to

design and testing philosophy

conical seats and domed washer plates

BS EN 12020-1:2008 Aluminium and aluminium alloys

BS 8520-2 specifies requirements for portable and/or transportable negative pressure units (NPUs) incorporating HEPA filters covered by BS EN 1822 for use in the controlled removal of asbestos-containing materials (ACMs)

10 Examples of designation

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3 Design considerations

- with gradual change of temperature

It applies to metric depth gauges that measure from zero up to 600 mm using a main scale and vernier scale graduated to read to 0

Water regulators

1 only systems operating at 25 bar or 42 bar (at 20 °C) with nitrogen propellant

It gives recommendations for geotechnical activities associated with the design and implementation of maritime works