Features – Dwyer 8904 User Manual

Page 3

A. Measuring Air Velocity (Single point)

Feet per Minute (FPM).

B. Continuous Moving Average.

C. MIN/MAX/AVG reading on a single
point.
D. Air Velocity average for multiple
points ( 8904.8906 model only).

E. Non Sleep Mode(Bypass auto power
off).

F. Default setting ( Imperial/ Metric)

G. RS232 interface setting.

H. Auto power off function.

I. FTM , MPH , KNOT unit selectable
(8904.8906 model only).

J. Direct measuring of air flow
(Single point) CFM ( 8906 only).

K. Obtain air flow (CFM) average
for multi-point ( 8906 only).

FEATURES

Typical Measurement

a) Please place the meter in the
airstream. Make sure that the
airstream and the sensor
are aligned as shown ( 20
degrees maximum).

b) 3 seconds for the
reading to stabilize .

Rear side