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A Stevenson Screen is a ventilated enclosure designed to protect meteorological instruments from direct sunlight and precipitation while allowing air to circulate freely. It is typically constructed from wood or metal, painted white to reflect heat, and features louvered sides for ventilation. The standard dimensions are approximately 1.2 meters high, 0.6 meters wide, and 0.6 meters deep, with a roof that is slanted to shed rain. The interior is often designed to hold thermometers and hygrometers at a standard height of 1.2 to 2 meters above ground level.
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Why was the Stevenson screen named after Thomas Stevenson?
he invented the instrument
What instruments are stored in the stevenson screen?
thermometer
Why does a Stevenson screen have double boarded sheet?
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What is the use of a metal stand on stevenson screen?
A metal stand on a Stevenson screen serves to elevate the screen above the ground, ensuring that it is placed at an appropriate height for accurate temperature and humidity measurements. This elevation helps to minimize the influence of heat from the ground and surrounding surfaces, thereby providing more reliable data. Additionally, the metal stand enhances the stability and durability of the Stevenson screen, protecting it from environmental factors.
Can be a stevenson screen be placed on a hard surface?
Yes, a Stevenson screen can be placed on a hard surface, but it is important to ensure that the screen is elevated and well-ventilated to avoid heat from the ground affecting the temperature readings. Ideally, it should be situated on a grassy or natural surface to minimize heat absorption and provide more accurate measurements. Proper placement is crucial for maintaining the integrity of the data collected.
Why was the Stevenson screen named after Thomas Stevenson?
he invented the instrument
When was stevenson screen invented?
In the 1860s. I think. By Thomas Stevenson.
When was the Stevenson Screen invented?
In the 1860s. I think. By Thomas Stevenson.
Why is the thermometer kept in the stevenson screen?
to prevent heat radiation and damage by people or animals
What is Stevenson's Screen?
In observataries,the thermometers are kept in a wooden box with good ventilation and air movement.This box is called stevenson's screen
What instruments are stored in the stevenson screen?
thermometer
Why stevenson screen has four legs?
to support
Why the Louvre of a Stevenson screen Slanted?
To allow the air to circulate
why is the stevenson screen placed off the ground?
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Why are the sides of the 'stevenson screen' louvered?
The sides of a Stevenson screen are louvered to allow air to circulate freely around the temperature and humidity sensors inside. This design helps prevent the sun's direct rays from hitting the sensors and affecting the accuracy of the readings. The louvered sides also help to reduce the impact of thermal radiation on the inside of the screen.
Why does the stevenson screen have a double top?
the stvenson screen has a air vent on the top of it so that air can get out
Draw a fully of the Stevenson screen to show its characteristics?
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