Quiet Air Source
This low noise (<58dB) air source is an ideal accessory for tracks, air
tables, and other pneumatic equipment in physics labs. The 250W mot
produces a clean air output with a flow rate of 35m2/hour under
0.70kPA Pressure. Only 8" x 8" x 13". Constant Air Pressure Air Source
No. SF550-AC. Only $249.95 Variable Output Air Source
Same as above, but pressure and flow can can be adjusted.
No. SF550-AV. Only $279.95 Digital Timer with Photogates
This 4 digit timer is designed to be use with air tracks, free fall
apparatus and other equipment to record counts, time intervals, periods of
oscillation, accelerations, acceleration due to gravity and velocities in
collisions. Comes with two photogates and instruction manual.
No. SF550-DT. Only $279.95