TIF VA500A Digital HVAC Analyzer - Manual (Page 15)

Figure 3
Figure 4
Figure 5
5.3.1 Press the MODE button -
VELOCITY will be displayed
on LCD.
5.3.2 Place the probe in front of
the outlet (or area to be
measured) so that the
sensor’s cover is facing
the outlet.
5.3.3 Air velocity in feet per second
(fps) is displayed. (fig.4).
5.4.1 Press the MODE button -
AIR VOLUME and “ENTER
WIDTH” (flashing) will be dis
played on LCD. (Fig. 5) The
VA500A is requesting the
A/C outlet’s width.
5.4.2 Using the
SÇ
buttons, enter
the appropriate measurement
in inches.
5.4.3 Press ENTER to store the
width in memory.
AIR VOLUME and “ENTER
LENGTH” (flashing) will
be displayed on LCD. (Fig 6)
The VA500A is requesting
the A/C outlet’s length.
Page 8
5.3 Measuring Air Velocity
5.4 Measuring Air Volume
Figure 6