Instruction Manual

3
3B SCIENTIFIC® PHYSICS
U20600 Kundt’s tube
11/02 ALF
®
U20601 Microphone probe
U20602 Battery box
Operating instructions
The equipment set comprising Kundt’s tube and
accessories is meant to display stationary sound waves
with open or closed tube ends and determine
wavelengths in air and other gases.
1. Safety instructions
• Protect the microphone and loudspeaker against
moisture.
• The external voltage through the microphone’s
connection line should not exceed 5V.
• Do not clean the acrylic glass body with aggressive
agents or solvents.
2. Description, technical data
The equipment set designated Kundt’s tube consists of
an acrylic-glass tube with a scale, two removable end
plates and an integrated hose nipple for filling the tube
with various gases. One end plate is furnished with a
loudspeaker, the other with a bore and guide for
3
1
2
6
5
4
mounting a movable piston or microphone probe
(U20601).
The equipment set includes two clamps for mounting
Kundt’s tube on a tripod, and cables for connecting the
loudspeaker.
Length: 1000 mm
Diameter: 70 mm
Hose nipple: 7 mm Ø
Scale: 1000 mm
Division: mm and cm
Drawing:
1 End plate with loudspeaker, 4-mm jacks and hose
nipple
2 Resonance tube
3 End plate with bore and guide for mounting a piston
or microphone probe
4 Microphone probe
5 Microphone
6 Scale