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1. Safety instructions
The glass components of the ripple tank can be
broken if they are not handled properly.
•
Do not subject the ripple tank to excessive
mechanical forces.
2. Equipment supplied
1 Ripple tank with projection mirror, viewing
screen and lighting system
1 Control unit
1 Plug-in power supply
1 Universal plug
1 Module for generating straight waves
1 Module for generating circular waves
1 Module for generating two interfering circular
waves
1 Hose
3 Immersion bodies for reflection and refraction
(prism, biconcave lens and biconvex lens)
4 Immersion bodies for setting up a single slit
and a double slit
1 Drainage hose
3. Description
The purpose of the ripple tank is to provide clear
demonstrations of basic wave phenomena in the
form of ripples on water that can easily be made
visible.
Experiment examples:
Generation of circular and straight waves, reflec-
tion, refraction, diffraction, interference, Doppler
effect
3.1 Operating elements – control unit
9 Knobs for adjusting vibrator frequency in synchro-
nous mode
10 Knobs for adjusting vibrator frequency in asyn-
chronous mode
11 Knobs for adjusting vibrator amplitude
12 Switch for toggling between synchronous and
asynchronous modes
The ripple tank consists of flat basin set in an
aluminium frame. In the glass floor, there is an
opening with a drainage hose to let out the wa-
ter. For levelling purposes, the ripple tank is
equipped with a spirit level and height-
adjustable feet. It is possible to generate both
circular or straight waves in the tank by means
of localised oscillations in air pressure and the
frequency and amplitude of those waves can be
set up using a control unit. An LED lighting sys-
tem illuminates the ripple tank from above and
takes the form of a stroboscope for which both
asynchronous and synchronous frequencies can
be set. Inside the frame, there is a mirror in-
clined at an angle that allows the waves to be
projected onto a frosted-glass pane.
Various bodies are available to be laid in the
water in order to carry out experiments.
The frequency of the stroboscope, as well as
frequency and amplitude of the wave generator
(vibrator), can be set separately using the con-
trol unit. An external counter can be connected
via 4-mm safety sockets to the back of the con-
trol unit housing in order to measure the fre-
quency.
The stroboscope is connected via a three-pin
socket to the back of the control unit. In order to
generate waves, the hose is connected to the
nozzle (metal tube) on the back of the housing
and connected to the desired wave exciter mod-
ule.
Power is supplied via a plug-in power supply.
At the back of the ripple tank there is a drawer
for storing the control unit and accessories.
13 On/off switch for strobe illumination
14 Terminal sockets for external frequency measur-
ing instrument
15 Socket for connecting plug-in power supply
16 Hose nozzle
17 Stroboscope socket
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