PASCO ME-9207B User Manual
012-05760B Free Fall Adapter
Instruction Manual and
Experiment Guide for
the PASCO scientific
Model ME-9207B
FREE FALL ADAPTER
012-05760B
4/99
© 1995 PASCO scientific $7.50
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Free Fall Adapter 012-05760B
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012-05760B Free Fall Adapter
T able of Contents
Section..........................................................................................................Page
Copyright, Warranty, and Equipment Return.....................................................iv
Introduction.......................................................................................................1
Equipment.........................................................................................................1
Operation........................................................................................................2-3
Troubleshooting................................................................................................3
Experiment: Measuring g.................................................................................4-5
Suggested Additional Experiments.....................................................................5
Appendix A: Options for using the ME-9207A.................................................6
Appendix B: Connecting to Computer Interfaces...............................................7
Appendix C: Technical Data.............................................................................8
Technical Support...................................................................................Back Cover
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Free Fall Adapter 012-05760B
Copyright, Warranty, and Equipment Return
Please—Feel free to duplicate this manual
subject to the copyright restrictions below.
Copyright Notice
The PASCO scientific 012-05760 Model ME-9207B
Free Fall Adapter manual is copyrighted and all rights
reserved. However, permission is granted to non-profit
educational institutions for reproduction of any part of
the manual providing the reproductions are used only for
their laboratories and are not sold for profit. Reproduction under any other circumstances, without the written
consent of PASCO scientific, is prohibited.
Limited Warranty
PASCO scientific warrants the product to be free from
defects in materials and workmanship for a period of
one year from the date of shipment to the customer.
PASCO will repair or replace at its option any part of
the product which is deemed to be defective in material
or workmanship. The warranty does not cover damage
to the product caused by abuse or improper use. Determination of whether a product failure is the result of a
manufacturing defect or improper use by the customer
shall be made solely by PASCO scientific. Responsibility for the return of equipment for warranty repair
belongs to the customer. Equipment must be properly
packed to prevent damage and shipped postage or
freight prepaid. (Damage caused by improper packing of
the equipment for return shipment will not be covered
by the warranty.) Shipping costs for returning the
equipment after repair will be paid by PASCO scientific.
Equipment Return
Should the product have to be returned to PASCO
scientific for any reason, notify PASCO scientific by letter,
phone, or fax BEFORE returning the product. Upon
notification, the return authorization and shipping instructions will be promptly issued.
ä
NOTE: NO EQUIPMENT WILL BE
ACCEPTED FOR RETURN WITHOUT AN
AUTHORIZATION FROM PASCO.
When returning equipmenmt for repair, the units must
be packed properly. Carriers will not accept responsibility for damage caused by improper packing. To be
certain the unit will not be damaged in shipment,
observe the following rules:
➀The packing carton must be strong enough for the
item shipped.
➁Make certain there are at least two inches of
packing material between any point on the apparatus and the inside walls of the carton.
➂Make certain that the packing material cannot shift
in the box or become compressed, allowing the
instrument come in contact with the packing
carton.
Address: PASCO scientific
10101 Foothills Blvd.
Roseville, CA 95747-7100
Phone: (916) 786-3800
FAX: (916) 786-3292
email: techsupp@pasco.com
web: www.pasco.com
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012-05760B Free Fall Adapter
Introduction
The PASCO Model ME-9207B Free Fall Adapter is an
automatic release mechanism that plugs into PASCO
Photogate Timers, Smart Timer, ScienceWorkshop
®
computer interfaces, and other electronic timing
devices, allowing you to measure the acceleration due
to gravity (g) with 1 percent accuracy. It is also easily
adapted for a variety of other mechanics experiments,
providing a highly accurate method for starting and
stopping the electronic timers. Some examples of
these other uses are provided at the end of this
manual.
Equipment
Equipment Included:
• Free Fall Adapter: (ball release mechanism, receptor pad, controller box, cable, and phone jack connector)
In the basic free fall experiment, a steel ball is
clamped into the spring loaded release mechanism.
The ball is in series with the triggering circuit for the
photogate timer. When the thumbscrew is turned, the
mechanism pops open, releasing the ball and starting
the timer. When the ball strikes the receptor pad, the
top plate of the pad is forced against the metal base.
This automatically stops the timer. The timer display
shows the time it took for the ball to drop from the release mechanism to the pad.
ball release
mechanism
• 2 steel balls (1.27 cm diameter)
• 2 steel balls (1.91 cm diameter)
Additional Equipment Required:
• clamp (such as the PASCO SE-9446 Buret Clamp
• rod stand
• electronic timing device (such as the PASCO ME9403 Photogate Timer, PASCO ME-8930 Smart
Timer, PASCO ScienceWorkshop® computer interface (500 or 700 series and CI-6500)
• metric stick
steel ball
controller box
phone plug
(Connect to
Photogate Timer)
receptor pad
Figure 1. Free Fall Adapter: Included Equipment
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