Appendix A: Temperature And Pressure Corrections - TSI VELOMETER 6000 Serie Manual De Uso

Velometer correction factors
18
TEMPERATURES AND PRESSURE
The maximum temperature of the air or gas that can be tested by the
®
Velometer Anemometer is 250°F (120°C). When the temperature of the
gas inside a duct is appreciably different from the density at which the
®
Velometer Anemometer was calibrated, a correction factor may be
needed to obtain the most accurate measurement. The actual velocity is
obtained by multiplying the measured velocity by a correction factor as
shown in the figure below.
Note: 1 (in. H O) x 7.36 (10
2
APPENDIX A:
CORRECTIONS
-2
) = 1 in.Hg.