microbarograph

mic·ro·bar·o·graph

M0271175 (mī′krō-băr′ə-grăf′)n. An instrument used to record changes in atmospheric pressure with an accuracy of microbars.

microbarograph

(ˌmaɪkrəʊˈbærəˌɡrɑːf; -ˌɡræf) n (General Physics) a barograph that records minute changes in atmospheric pressure

mi•cro•bar•o•graph

(ˌmaɪ krəˈbɑr əˌgræf, -ˌgrɑf)

n. a barograph for recording minute fluctuations of atmospheric pressure. [1900–05]

microbarograph

a barograph for recording small fluctuations of atmospheric pressure.See also: Atmosphere, Weather

microbarograph

enUK

microbarograph

[¦mī·krō′bar·ə‚graf] (meteorology) A type of aneroid barograph designed to record atmospheric pressure variations of very small magnitude.

Microbarograph

an instrument for high-precision automatic recording of variations in atmospheric pressure.

The sensing element of a microbarograph is a bellows (aneroid) unit, which is mounted in a miniature pressure chamber that has good thermal insulation. The interior volume of the pressure chamber can be in communication with the atmosphere only if a valve is open, but the inner space of the aneroid capsule is in continuous communication with the atmosphere through a tube. If the valve is closed, a change in the atmospheric pressure relative to the original value in the pressure chamber causes a deformation of the aneroid capsule, which is transmitted to a rod and then, by means of a system of levers, to a pointer. The recorder scale of a microbarograph is 10–30 times larger than for an ordinary barograph. The period of rotation of the drum and its chart may be 10 min to 4—6 hr.

WORKS

Kedrolivanskii, V. G., and M. S. Sternzat. Meteorologicheskie pribory. Leningrad, 1953.

S. I. NEPOMNIASHCHII

microbarograph

A sensitive barograph that records very small transient changes in atmospheric pressure. A microbarograph permits reading directly to 1/10 of a millibar.

单词	microbarograph
释义	microbarograph enUK mic·ro·bar·o·graph M0271175 (mī′krō-băr′ə-grăf′)n. An instrument used to record changes in atmospheric pressure with an accuracy of microbars. microbarograph (ˌmaɪkrəʊˈbærəˌɡrɑːf; -ˌɡræf) n (General Physics) a barograph that records minute changes in atmospheric pressure mi•cro•bar•o•graph (ˌmaɪ krəˈbɑr əˌgræf, -ˌgrɑf) n. a barograph for recording minute fluctuations of atmospheric pressure. [1900–05] microbarograph a barograph for recording small fluctuations of atmospheric pressure.See also: Atmosphere, Weather microbarograph enUK microbarograph [¦mī·krō′bar·ə‚graf] (meteorology) A type of aneroid barograph designed to record atmospheric pressure variations of very small magnitude. Microbarograph an instrument for high-precision automatic recording of variations in atmospheric pressure. The sensing element of a microbarograph is a bellows (aneroid) unit, which is mounted in a miniature pressure chamber that has good thermal insulation. The interior volume of the pressure chamber can be in communication with the atmosphere only if a valve is open, but the inner space of the aneroid capsule is in continuous communication with the atmosphere through a tube. If the valve is closed, a change in the atmospheric pressure relative to the original value in the pressure chamber causes a deformation of the aneroid capsule, which is transmitted to a rod and then, by means of a system of levers, to a pointer. The recorder scale of a microbarograph is 10–30 times larger than for an ordinary barograph. The period of rotation of the drum and its chart may be 10 min to 4—6 hr. WORKS Kedrolivanskii, V. G., and M. S. Sternzat. Meteorologicheskie pribory. Leningrad, 1953. S. I. NEPOMNIASHCHII microbarograph A sensitive barograph that records very small transient changes in atmospheric pressure. A microbarograph permits reading directly to 1/10 of a millibar.
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