TSI Instruments AccuBalance 8370, Operation And Service Manual

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42 Appendix A
Example 1:
Suppose your air flow temperature is 55ºF and you local barometric
pressure is 13.5 psia, and the standard flow indicated on the
A
CCU
B
ALANCE
is 200 (standard) CFM.
Actual Flow Actual CFM
=
⎡
⎣⎢ ⎤
⎦⎥
=
200 212
14.7
13.5 460 + 55
530
Example 2:
Suppose your air flow temperature is 25ºC, and your local barometric
pressure is 730 mmHg, and the standard flow indicated on the
A
CCU
B
ALANCE
is 100 (standard) l/s.
Actual 105 Flow Actual l s
=
+
⎡
⎣⎢ ⎤
⎦⎥
=
100
760
730 273.15 25
294.25
✟