TSI Instruments ALNOR 9880, Руководство пользователя

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18
velocity readings (as indicated by the meter) by the
following density correction factor:
Act Vel Std Vel . . . .
T
P
=
+
+

 

460
460 70
14 7 .
Where
T = Ambient temperature in °F
P = Ambient pressure in psia
If you use metric units, the equation becomes:
Act Vel Std Vel . . . .
T
P
m
m
=
+
+

 

273
273 211
1014
.
.
Where
T
m
= Ambient temperature in °C
P
m
= Ambient pressure in kPa