ADM-870C 07/14/0949
Local density velocity readings taken with the ADM-870C AirData Multimeter may be compared with hot wire anemometer
readings if the hot wire readings are corrected for local air density conditions to obtain true air velocity results.
The precise method for calculating local density corrected air velocity from measurements taken with a hot wire
anemometer requires the use of the following equation:
Where: P
b
= local barometric pressure (in Hg)
/ F = temperature of air stream
Velocity measurements taken with a thermal anemometer may be compared directly to AirData Multimeter velocity readings
taken in the standard density mode.
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