Dwyer 8904 - Manual (Page 8)

4. Once all measurements have been
recorded, you could
press AVERAGE
key to view the
average air velocity
reading and the
number of points
which are recorded.
vel
Fig.4
Hold
m/s
vel
Fig.4-A
Hold
m/s
vel
Fig.5
Hold
m/s
AVG
1. Turn the meter on and position the
vane at the first point to be measured.
soon as the first measurement is
completed press the HOLD key,(you
will hear a single beep), and release.
The display will show HOLD above
the reading. (See Fig.4)
2. Press the MIN/MAX key,(You will hear
a single beep), and release,(the
display will show a digit 1-8). This
number represents the point number
which has been recorded.(See Fig.4-A)
3. Repeat above procedure until all
desired points have been measured
and recorded. A maximum 8 points may
be recorded at one time.
D. AIR VELOCITY AVERAGE FOR
MULTIPLE POINTS(8904,8906 only)
l l
l l
ll
ll
7
5. You could press HOLD key to revert to
normal measurement mode
6. To clear multi- point average memory,
press and hold next digit/multi point
average key until unit beeps twice,
then release.