pressure_measurement.pdf

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  • 105/08/51 Measurement and Instrument: Pressure 1

    (pressure) - P

    (N/m2) (Pa)

    P (N/m2)F (N)A (m2)A

    FP=

    05/08/51 Measurement and Instrument: Pressure 2

  • 205/08/51 Measurement and Instrument: Pressure 3

    05/08/51 Measurement and Instrument: Pressure 4

    (Types of Pressure) (Absolute Pressure) (Gauge Pressure) (Differential Pressure)

    (Vacuum) (Reference)

  • 305/08/51 Measurement and Instrument: Pressure 5

    05/08/51 Measurement and Instrument: Pressure 6

    (absolute pressure)

    P = Pa + gh

    P = Pa + Pg

    P Pa Pg (gauge pressure)

  • 405/08/51 Measurement and Instrument: Pressure 7

    1.

    - ( P Gauge)

    2. (: Pressure Transducer)

    05/08/51 Measurement and Instrument: Pressure 8

    (Range of Pressure) (Type of Pressure) ( )

  • 505/08/51 Measurement and Instrument: Pressure 9

    () (Barometer) - U (U-tube Manometer)

    - (Single Tube Manometer)- (Inclined Manometer)

    (Bourdon) - C - (Spiral) - (Helix)

    05/08/51 Measurement and Instrument: Pressure 10

    () (Bellows) (Diaphragm) -

    - -

  • 605/08/51 Measurement and Instrument: Pressure 11

    () (Capacitive Pressure Transducer

    Strain Gauge Barrel Pressure Transducer

    LVDT

    05/08/51 Measurement and Instrument: Pressure 12

    (Resistive Pressure Transducer)

    (Piezoelectric Pressure Transducer)

  • 705/08/51 Measurement and Instrument: Pressure 13

    (manometer)

    05/08/51 Measurement and Instrument: Pressure 14

  • 805/08/51 Measurement and Instrument: Pressure 15

    (mercury barometer)

    80 cm (mm-Hg) (Torricelli)

    05/08/51 Measurement and Instrument: Pressure 16

    (aneroid barometer)

    (altimeter)

  • 905/08/51 Measurement and Instrument: Pressure 17

    (bourdon gauge) (1bar - 6800 bar)

    ()

    05/08/51 Measurement and Instrument: Pressure 18

    :

    ()

  • 10

    05/08/51 Measurement and Instrument: Pressure 19

    C

    ()

    05/08/51 Measurement and Instrument: Pressure 20

    () ()() ()

    ()

  • 11

    05/08/51 Measurement and Instrument: Pressure 21

    (Spiral)

    ()

    05/08/51 Measurement and Instrument: Pressure 22

    (Spiral)

    ()

  • 12

    05/08/51 Measurement and Instrument: Pressure 23

    (Helix)

    ()

    05/08/51 Measurement and Instrument: Pressure 24

    (Helix)

    ()

  • 13

    05/08/51 Measurement and Instrument: Pressure 25

    ()

    (Bellows)

    05/08/51 Measurement and Instrument: Pressure 26

  • 14

    05/08/51 Measurement and Instrument: Pressure 27

    05/08/51 Measurement and Instrument: Pressure 28

    P

  • 15

    05/08/51 Measurement and Instrument: Pressure 29

    ()

    (Diaphragm)Top View Side View

    05/08/51 Measurement and Instrument: Pressure 30

    ()

    (Diaphragm)

  • 16

    05/08/51 Measurement and Instrument: Pressure 31

    ()

    (Capsule)

    05/08/51 Measurement and Instrument: Pressure 32

    Capacitance

  • 17

    05/08/51 Measurement and Instrument: Pressure 33

    Strain Gauge

    05/08/51 Measurement and Instrument: Pressure 34

    ()

    StabilityRepeatability

  • 18

    05/08/51 Measurement and Instrument: Pressure 35

    LVDT

    05/08/51 Measurement and Instrument: Pressure 36

    Resistance

  • 19

    05/08/51 Measurement and Instrument: Pressure 37

    Piezoelectric

    05/08/51 Measurement and Instrument: Pressure 38

    Piezoelectric

  • 20

    05/08/51 Measurement and Instrument: Pressure 39

    05/08/51 Measurement and Instrument: Pressure 40

    Piezoelectric

  • 21

    05/08/51 Measurement and Instrument: Pressure 41

    C LVDT

    05/08/51 Measurement and Instrument: Pressure 42

    LVDT

  • 22

    05/08/51 Measurement and Instrument: Pressure 43

    -

    - -