WebOct 26, 2024 · A Stevenson Screen is a standard shelter that protects metrological instruments (thermometers, in particular) from rain, ultraviolet radiation and other environmental factors. It is a simple wooden box about 2 meters in height that is painted white to reflect the direct sunlight falling on it. WebDec 27, 2024 · A Stevenson screen (also known as an instrument shelter) is a meteorological screen to shield instruments against precipitation and direct heat …
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WebMar 6, 2024 · It has a box (open to the air—so moisture can get in and out) with a piece of twisted plant fiber (orange) inside. The fiber is connected to a pointer (red) that turns around a dial and, as the humidity changes, the … WebAug 9, 2024 · The Stevenson screen holds instruments that may include thermometers (ordinary, maximum/minimum), a hygrometer, a psychrometer, a dewcell, a barometer and … how old is megan hall
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WebDec 25, 2024 · The wooden floor section is to allow me to drill holes for feeding cables in. The next steps are to make up a second roof (apparently a second roof with an air gap underneath is desirable, presumably to reduce the effect of the Sun) and to paint everything so I can finish assembling it all. WebOct 30, 2015 · “A Stevenson screen or instrument shelter is an enclosure to shield meteorological instruments against precipitation and direct heat radiation from outside sources, while still allowing air to circulate freely around them. Its purpose is to provide a standardized environment in which to measure temperature, humidity, dew-point and … WebSep 5, 2013 · All 4 thermometers are mounted inside the Stevenson screen to protect them. Maximum and minimum thermometers, as their names suggest, register the highest and lowest temperatures since the last observation. Two ordinary thermometers--one dry, one wet--are used to determine the current temperature and moisture content of the air. how old is megan foxx