Dwyer 8904 User Manual
Page 7
C. MIN/MAX/AVG READING ON A
SINGLE POINT
1. Power the meter ON.
2. Place sensor in front of air flow
source.
3. Press MIN/MAX REC SINGLE POINT
key. The unit will begin to record
the readings.The meter displays the
average velocity by default.(see Fig.3)
Each press of the MIN/MAX button
cycles the display through:
* Real-time readings.
* MIN velocity.
* MAX velocity.
* Back to AVG velocity.
4. To revert to normal measurement
mode or clear the current MIN/MAX
and average readings, you could turn
off the meter first and then turn it on
again or press and hold MIN/MAX key
until meter beeps twice, then release.
To obtain MIN/MAX/AVG readings on a
single point.
6
Note: Feet Per Minute (FPM) readings
can be converted to CFM readings
by following below instructions:
1. Press the HOLD button to store
the readings before moving the
meter away from an air flow
sources.
2. Press MODE key to enter area
setting (see page11 for the details
of area setting). After setting, press
MODE key again to convert the
FPM into CFM.