Download 615-4015 (10-105) Electric Bell Demonstrator

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Science First®
©2006 Science First®
.
615-4015 (10-105) Electric Bell Demonstrator
Instructions & Experiments
10-105 Electric Bell Demonstrator
Parts List:
Main bell assembly
Warranty
Replacement
Parts
classroom. &
Its large
size and
but may experience intermittent
design all
allows
even the back
stalling.parts
Our 20-045
Weopen
replace
missing
or
defective
freehand
of charge. All products are guaranteed free from defect for 90
row to see the operation of the
generator will produce around 5
days
after
sale,
defined
as
90
days
after
date
ofandinvoice.
This guarantee does not include accident, misuse, or
moving parts and the electrical
volts of direct current,
is a
components. Complete the circuit
nice addition to the
normal
wear
and
tear.
using a low voltage DC power
demonstration. A DC power
source and watch the circuit open
supply may be used to
Introduction:
and close with an audible ring.
demonstrate performance
An electric bell is a great instrument
toatdemonstrate
differences
different voltages.a simple electric circuit. Our 6 volt electric bell kit is a
Do not
exceed 6 volts.
Other
materials
great
– if
noisyneeded:
– addition to your
classroom.
ItsAlarge size and open design allows even the back row to see
switch may be placed in
• Hand generator:
the operation
of theour
moving
parts
andthe
the
between
bellelectrical
and the powercomponents. Complete the circuit using a low voltage
We recommend
20to add control to the
045 Hand Generator; this
DC power
source and watch thesource
circuit
open and close with an audible ring.
demonstration, the Science First
allows students to
10-101
Banana Plug Switch
manually produce
the
Other materials
needed:
works well for this application.
electricity needed to
• Hand generator:
There is an adjustment
power the bell.
screw
on the upper left
handallows students to manually produce the electricity needed
• Battery Pack:
We recommend
our 20-045 Hand
Generator;
this
side of the bell (see diagram).
We recommend our 10to power171
theBattery
bell.Pack which
Loosen the thumb screw on the
top of the post. Now you may
four D-cell batteries
• Batteryholds
Pack:
adjust the screw on the left hand
for a total operating output
side. This
adjustment
willholds four D-cell batteries for a total operating output of 6
of 6 volts. This
also
We recommend
ourpack
10-171
Battery
Pack
which
shorten or lengthen the swing of
has tapping socket to
volts. This
pack
also
has
tapping
socket
to
easily
switch to 1.5, 3, or 4.5 volts.
the clapper arm. Experiment
easily switch to 1.5, 3, or
with this adjustment when using
4.5 volts. power supply:
• Low voltage
multiple voltages. This
• Low voltage power
adjustment
be used
vary
A low voltage
may bemayused
totopower
the bell; the ideal operating voltage is 6 volts.
supply: DC power supply
the speed and volume of the
A low voltage DC power
Operation:
Wooden base
bell as well.
supply may be used to
Instructions
powerneed
the bell;to
thebe
ideal
The Electric bell demonstrator will
set up prior to use. After removing the parts from the package, slide the bottom of
operating voltage is 6
Warranty
the
bell and
intoParts:
the slot on the wooden
now
be viewed from an upright position. Next, attach a power source to
it works:
volts. base. The bell mayHow
We replace all missing
The 10-105 Electric Bell
the
positive
terminals (see diagram). The Demonstrator
bell will
operate
best with a 6 volt power supply. The bell may operate at
or defective
partsand
free ofnegative
charge.
shows a simple
Operation:
All products as
are low
guaranteed
free but may experience intermittentelectric
circuit at
work.20-045
The
voltages
as
1.5,
stalling.
Our
hand generator will produce around 5 volts of direct
The 10-105 Electric bell
from defect for 90 days after
circuit begins as power is
demonstrator will need to be set
current,
and
isdays
a nice
power
supply
may
be used to demonstrate performance differences at
sale, defined
as 90
after addition to the demonstration. A DC
supplied to the terminals, the
up prior to use. After removing
date of invoice. This guarantee
circuit
is
closed and
the
the parts from
the package,
slide
different
voltages.
Do
not
exceed
6
volts.
A
switch
may
be
placed
in
between
the bell and the power source to add control to the
does not include accident,
electromagnet coils become
the bottom of the bell into the slot
misuse, or normal wear
andScience First 10-101 Banana Plug Switch
demonstration,
the
works
well infor this application. There is an adjustment screw on the
powered (follow
the arrows
on the wooden base. The bell
tear.
the diagram below).
be viewed
from an Loosen the
upper left hand side of the may
bellnow
(see
diagram).
thumb screw on the top of the post. Now you may adjust the screw on the
upright position.
Introduction:
Science First
left
hand
side.
This
adjustment
will
shorten
or
lengthen
the
swing of the clapper arm. Experiment
with®this adjustment when using
Next, attach
a power
An electric bell is a
source to the positive and
multiple
voltages.
This adjustment
may be used to vary the speed and volume of the bell as well.
great instrument
to demonstrate
negative terminals (see diagram).
a simple electric circuit. Our 6
the electromagnet to be cut off.
The bell will operate best with a 6
How
it works:
Without the magnet pulling the
volt electric
bell kit is a great – if
volt power supply. The bell may
clapper towards it, it springs
noisyElectric
– addition toBell
your Demonstrator shows a simple electric circuit at work. The circuit begins as power is supplied
The
to the terminals, the
operate at voltages as low as 1.5,
back into contact with the
adjustment screw. The circuit is
circuit is closed and the electromagnet coils become powered (follow the arrows in the diagram below).
re-established and the entire
95 Botsford Place, Buffalo, N.Y. 14216 U.S.A.
process begins again.
• Elastic716-874-0133
collisions
®
®
· 800-875-3214 · FAX 716-874-9853 · [email protected] · www.sciencefirst.com
Science
First
Science First
P/N 24-2105
• Inelastic collisions
®
®
©2006 Science First®
©2006 Science
First
©2006 Science
First
.
.
As the electromagnet coils
become powered, the clapper
arm is pulled towards the
magnet contacts and the bell
dome is rang (see below).
.
As the clapper is pulled
towards the electromagnet it no
longer touches the adjustment
screw, and the circuit is broken.
This results in the power going to
.
.
© Science First® / Morris & Lee
Inc. All rights reserved.
Science First® is a registered
trademark of Morris & Lee Inc.
Revised 9-06.
the electromagnet
to bethe
cutelectromagnet
off. to
Without
the electromagnet
be cutthe
off.
tomagnet
be cutpulling
off.
the clapper Without
towards it,
it
springs
back
into
contact
the
magnetthe
pulling
the pullingwith
Without
magnet
the the
adjustment screw.
The
circuit
is towards
re-established
and the entire
clapper
towards
it,
it springsit, it springs
clapper
process begins
again.
back
into contact
with
the
back into contact with the
adjustmentadjustment
screw. The
circuit The
is circuit is
screw.
re-established
and the entire
re-established
and the entire
process begins
again.
process
begins again.
P/N 24-2105
P/N 24-2105
®
.
© Science©First
/ Morris
.
Science
First&® Lee
/ Morris & Lee
.
As the electromagnet
coils
.
Inc.
All
rights
reserved.
As the electromagnet coils
Inc.
All
rights
reserved.
As
the
clapper
is
pulled
becomebecome
powered,
the electromagnet
clapper
As is
thepulled
clapper is pulled Science First® is a registered
Aspowered,
the
Asthe
theelectromagnet
clapper
the clapper towards
it no
First® is a registered
arm is pulled
towards
the
towards
the
electromagnet
it no trademarkScience
of
Morris
Inc.
become
powered,
armcoils
is pulled
towards
thethe longer
towards
the
electromagnet
touches the adjustment
trademark&ofLee
Morris
& Lee Inc.
magnet contacts and the bell
longer
touches
the
adjustment
Revised
9-06.
clapper
arm is and
pulled
magnet
contacts
the tobell screw,
it noand
longer
touches
the
the circuit
is broken.
Revised
9-06.
dome is rang (see below).
screw, and the
is broken.
dome
is rang
(see below).
wards
the magnet
contacts Thisadjustment
andcircuit
the to
results in screw,
the power
going
This
results
in
the
power
going to
and the bell dome is rang.
circuit is broken. This results in the power going to
95 Botsford Place, Buffalo, N.Y. 14216 U.S.A.
SCIENCE FIRST ® | 86475 Gene Lasserre Blvd., Yulee, FL 32097 716-874-0133
| 800-875-3214
| [email protected]
· 800-875-3214| ·www.sciencefirst.com
FAX 716-874-9853 · [email protected]
· www.sciencefirst.com