Technical data

Free-fall tube with PTFE spindle stopcock

Article no: 02500-01

Function and Applications
To verify that all bodies fall with the same velocity in a gravitational field if no interfering forces are present (air ascending force, air resistance).

Equipment and technical data

Glass tube with falling bodies
PTFE spindle stopcock with olive handle for vacuum tube
Falling bodies: lead plate and feather
Length: approx. 1000 mm
Diameter: 50 mm

Necessary Accessories

Rubber tubing, vacuum, i.d. = 8 mm (39288-00)
Water jet pump, plastic (02728-00) and Secure bottle as anti reflux protection (34170-01) or diaphragm pump, two stage (08163-93) or Rotary valve vacuum pump (02740-95) or (02741-95)

Necessary accessories

Rubber hose for vacuum, various diameters	39288-00
Water jet pump, plastic	02728-00
Secure bottle, 500 ml, 2 x Gl 18/8, 1 x 25/12	34170-01
Diaphragm pump, two stage, 220V	08163-93
Rotary valve vacuum pump, two stages, 115 V / 230 V	02741-95