Fig.1 fig.2 fig.3 – Dwyer 8904 User Manual
Page 6
B. CONTINUOUS MOVING AVERAGE
1. Turn the power ON .
2. Place sensor in front of air flow
source.
3. Press MIN/MAX record key once.
An "AVG" and "REC" in the lower left
corner of the display to confirm the
meter is in continuous moving average
measurement mode. The display
will update every second.
(See Fig.3)
The meter has the ability to display
continuous moving average for up to
two(2) hours.
1. Press the ON/OFF button to turn the
meter on. Meter will show full display
for initial 5 seconds. (See Fig.1)
2. Unit is ready for use when LCD display
shows "vel" at upper left corner and
temperature at lower right corner.
(See Fig.2)
A. MEASURING AIR VELOCITY
(SINGLE POINT) FEET PER
MINUTE (FPM)
vel
Fig.1
Fig.2
Fig.3
ft/m
AVG
vel
m/s
5
MIN
mil/h cfm
AVG
REC
FLOW
km/h cms
AREA
m/s
vel
Hold PH Knots
ft/m
2
ft
2
m
MAX
REC