Aneroid - PowerPoint PPT Presentation

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Aneroid

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_____ The simple Aneroid Barometer is in the form of Aneroid Barometer Considered to be the most accurate Barometer Knurled knob The simple Aneroid Barometer is ... – PowerPoint PPT presentation

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Title: Aneroid


1
Barometer
Aneroid
Mercurial
2
Barometer
Aneroid Barometer
Considered to be the most accurate
3
Parts
Knurled knob
4
The simple Aneroid Barometer is in the form of
Corrugated capsule
5
By means of linkage system its movement can be
magnified which is shown by a moving pointer
6
The pointer rotates over a dial graduated in
hectopascals or Millibars
7
The elastic properties of the metal capsule
change with the time and the instrument should
therefore be checked at frequent intervals
against an accurate barometer to determine index
error
8
Barometer is also used to observe the change in
pressure over a period using a knurled knob
9
Quiz
  • Label the parts of a barometer

1.
2.
3.
4.
5.
10
Quiz
  • 6. _____Considered to be the most accurate
  • 7. _____ The error of the barometer due to its
    age.
  • 8. _____ Part of a barometer used to obeserve the
    change in pressure
  • 9. _____ The unit used in barometer reading.
  • 10. _____ The simple Aneroid Barometer is in the
    form of
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