PASCO SF-9216 Variable Output Air Supply - Manual (Page 5)

1
012-02141H Variable Output Air Supply
®
Introduction
The PASCO Air Supply is exceptionally quiet, and its
variable output lets you precisely match the air flow to the
experiment. (Too much air causes turbulence, resulting in
glider drift.)
A 2.0 meter hose is included. By adding the SF-9217
T-Adapter and Hose described below, the Air Supply can
be used to operate two PASCO SF-9214 Air Tracks at the
same time.
➤ NOTE: This Air Supply is for use with the
SF-9214 Precision Air Track. If used with a
different track, the total area of the air flow holes
must be
≥
2.6 cm
2
(0.4 in
2
).
SF-9216
AIR SUPPLY
5
4
3 2
1
6
AIR OUTPUT
POWER
ON
OFF
Operation
(220/240 VAC,
50 Hz shown)
Figure 1 SF-9216 Air Supply
Adjusting the Air Supply
The air flow from the Air Supply is easily adjusted by the
knob on the front panel. Once the air track is set up and
operating, adjust the air flow until the gliders just glide
freely on the track.
If the air flow is too low, the glider will touch the track
and lose energy.
A higher air flow may cause the gliders to move ran-
domly in response to air turbulence around the surface of
the track.
➤ NOTE: The apparatus is calibrated at 220 VAC, 50
Hz and must be re-calibrated for 220 VAC, 60 Hz.
Please follow the instructions in the following section.
Setting Up the Air Supply
Insert the short, thick-wall coupling on one end of the
hose into the hole in rear of the air supply. The other end
of the hose, with the longer, thin-wall coupling, fits into
the hole of the PASCO 2 meter Precision Air Track
(square cross section, aluminum color).
Connect the air supply to a wall socket (115 VAC, 60 Hz
or 220/240 VAC, 50 Hz). The respective line voltages are
marked on the rear panel. Turn the unit on with the
power switch.
Leave at least three inches of clearance around all sides of
the blower for air intake and cooling.
If you wish to connect the SF-9216 Air Supply to the
Daedalon 1.5 m Air Track (triangular cross section, black
color) it will be necessary to wrap one or two layers of
electrician’s tape around the air coupling on the track.
The hose from the Air Supply should now fit snugly over
the coupling.