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100
6
í
í
0
í
500
[%]
300
mm
I
+1mm
íPP
Inside diameter
Flow error
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100
0
í
1
400 500
[%]
300
mm
I
+1mm
íPP
200
Inside diameter
Flow error
Flow velocity
Inside diameter
*1: Example of calculation
Error at 2m/s
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ĺî
Error at 1m/s
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ø
WR
ø
RUOHVV
ø
WR
ø
RUOHVV
ø
WR
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RUOHVV
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WR
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of measured flow
PV
of measured flow
PV
*
1
WR
of measured flow
WRPV
WR
of measured flow
WRPV
WRPV
WRPV
WRPV
WRPV
WRPV
WRPV
WRPV
WRPV
Accuracy