UEi H26-475, Instruction Manual

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7
MEASURING AIR VOLUME (CFM OR CMM) CONT.
TIMED AVERAGE AIR VOLUME
1. Press MODE until VOL is showing in the upper right corner of
the display
2. Enter duct dimensions using the method described prior section
3. Place the probe at the face of the opening, or on the grill surface
4. Press “ START ” to begin timed average
a. Slowly move the probe across the entire surface of the grill or
duct opening
5. Press “ STOP ” to end timed average.
a. The cumulative timer will stop when the DAFM3B is not
capturing data
6. Press MIN/MAX AVG ( ) after capturing data to view
average volume
a. AVG flashing and elapsed time will show when displaying
average
b. AVG flashing, elapsed time and MIN will show minimum
measured volume
c. AVG flashing, elapsed time, and MAX will show maximum
measured volume
7. Press and hold EXIT to end test