Minimum thermometer: Difference between revisions

From Glossary of Meteorology
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|Meaning=A [[thermometer]] that automatically registers the lowest [[temperature]] attained  during an interval of time.
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|Explanation=The alcohol-in-glass minimum thermometer contains a dumbbell-shaped [[index]] that is kept on  the bulb side of the [[meniscus]] by [[surface tension]]. The thermometer is installed in a horizontal  mounting (<br/>''see'' [[Townsend support]]) so that as the temperature falls, the index is pulled toward the  bulb and remains at the [[minimum]] point as the temperature rises. A [[bimetallic thermometer]]  with a circular dial is also used as a minimum thermometer. A free index, mounted concentrically  with and driven by the thermometer index, is held by [[friction]] at the [[minimum temperature]].  <br/>''Compare'' [[maximum thermometer]].
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== minimum thermometer ==
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<div class="definition"><div class="short_definition">A [[thermometer]] that automatically registers the lowest [[temperature]] attained  during an interval of time.</div><br/> <div class="paragraph">The alcohol-in-glass minimum thermometer contains a dumbbell-shaped [[index]] that is kept on  the bulb side of the [[meniscus]] by [[surface tension]]. The thermometer is installed in a horizontal  mounting (<br/>''see'' [[Townsend support]]) so that as the temperature falls, the index is pulled toward the  bulb and remains at the [[minimum]] point as the temperature rises. A [[bimetallic thermometer]]  with a circular dial is also used as a minimum thermometer. A free index, mounted concentrically  with and driven by the thermometer index, is held by [[friction]] at the [[minimum temperature]].  <br/>''Compare'' [[maximum thermometer]].</div><br/> </div>
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Latest revision as of 11:45, 29 March 2024

A thermometer that automatically registers the lowest temperature attained during an interval of time.

The alcohol-in-glass minimum thermometer contains a dumbbell-shaped index that is kept on the bulb side of the meniscus by surface tension. The thermometer is installed in a horizontal mounting (
see Townsend support) so that as the temperature falls, the index is pulled toward the bulb and remains at the minimum point as the temperature rises. A bimetallic thermometer with a circular dial is also used as a minimum thermometer. A free index, mounted concentrically with and driven by the thermometer index, is held by friction at the minimum temperature.
Compare maximum thermometer.

A thermometer that automatically registers the lowest temperature attained during an interval of time.

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