![background image](http://html1.mh-extra.com/html/omega/hhf143/hhf143_user-manual_4151654008.webp)
� Press the TEMPERATURE key to display the current temperature of
(:fJ
the air stream as measured by the Air Probe. To switch the units
between degrees Fahrenheit (
0
F) and degrees Celsius (
0
C), press
the TEMPERATURE key again. Either
•c
or °F will be displayed along with
the reading.
Press the FPM/MPS key to display the current air velocity as measured
[:;:�
by the air probe. To switch the measurement units from FPM (feet per
minute, 1 FPM resolution) to MPS (meters per second, 0.01 MPS
resolution), press the FPMIMPS key again. Either FPM or MPS will be
displayed along with the reading.
� Press the SAMPLE RATE key to change the measurement averaging
� rate ("sample rate") of the instrument
for air velocity only.
2SEC
YSEC
SSE[
IEi
S
An average value of airspeed measurements during the
preceding 2 seconds is displayed.
An average value of airspeed measurements during the
preceding 4 seconds is displayed.
An average value of airspeed measurements during the
preceding 8 seconds is displayed.
An average value of airspeed measurements during the
preceding 16 seconds is displayed.
Note:
The sample rate for
temperature
readings is
always 2 seconds.
Rev 1.8, 1 0-Jun-2008
Page 7 of24
Содержание HHF143
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