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8/13/2019 Instrumentation types and characteristics-2
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: 3 & 4
2
, A
. , (B
H, 2001)
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3 & 4,
D 03092012 050920122.2
1. A ( )2. //
3.
4.
5. 6.
7.
8.
9. 10. H
11. D
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2.2.1 (
)
1.
.
2.
.
3. I ,
.
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4. I ,
(..)
.
5. I
,
.
6.
.
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H,
( )
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E 1
A 010
1.0% .
. .
1.0 ,
10% .
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E 2
A 0 to 10 bar pressure gauge was found to have an error of
0.15bar when calibrated by the manufacturer. Calculate (a) the
percentage error of the gauge and (b) the possible error as a
percentage of the indicated value when a reading 0f 2.0 bars was
obtained in a test.
Solution:
8/13/2019 Instrumentation types and characteristics-2
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,
0 1 ,
.
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2.2.2 //
1.
.2. I
, .
3. H . A .
4. , .
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5. , , , .
6. , , , .
7. B .
8.
.
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E
F: I
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E D
. , .
B 1 .
2 . , .
F, 3 ,
.
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2.2.3
.
.
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E 1
1000 5%
.
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2.2.
.
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2.2.
I .
F 2.6 .
, . . , , C 11.)
.
.
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. 2. .
8/13/2019 Instrumentation types and characteristics-2
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I
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E
A
0 200 2.0 .
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2.2.
.
.
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, :
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E
I, , 2
10 ,
).
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I
1, 2, 3,, . ,
1, 2, 3, , . .
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E
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E
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2.2.
I ,
.
. ,
.
E.A 15
/. , , 15 /.
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2.2.
..,
. ,
.
.
A 20 /. , 5 /. 5 / .
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E 1
I
. I ,
. .
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E 2
A 0150
0.1 % F. F .
= (0.001)(150)
= 0.15
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I ,
.
,
.
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E 3A 5 /C. F
0.2 C.
:
A 0.2 C
(5 /C)(0.2 C ) = 1.0
, 1.0 .
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2.2.
1. A
, , .
2.
. A ,, ., .
3. .
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4.
, : B
5. . .
6. .
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7.
.
.
/C.
.
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9. /
.
10.I
.
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E : () ; ()
; () .
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2.2.10 F
.
I ,
.
I , ().
. ,
.
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2.2.11
D
.
. H
.
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