®
Model No. AP-8215A
Transporting and Storing
15
012-11032C
Transporting and Storing
1.
To prepare the Gravitational Torsion Balance for transporting or storing:
a.Remove the front plate.
b.Raise the locking mechanism to securely anchor the pendulum bob.
c.Check to be sure that the torsion ribbon is hanging straight down the center of the tube. If it is not, lower
the locking mechanisms, be sure the torsion wire is centered, and raise the locking mechanisms again.
Repeat as necessary until the ribbon is centered in the tube.
d.Reinstall the packing foam into the chamber to secure the pendulum bob.
e.Replace the plate.
2.
The Gravitational Torsion Balance may be stored flat in its shipping container.
3.
Store in a cool, dry place, and protect the device from any jarring or rough handling.
Safety Precaution
The large masses are made of tungsten, which is not toxic. Be careful not to drop the 1.5 kg masses.
Technical Support
Feedback
If you have any comments about the product or manual, please let us know. If you have any suggestions on alter-
nate experiments or find a problem in the manual, please tell us. PASCO appreciates any customer feedback.
Your input helps us evaluate and improve our product.
Contacting Technical Support
Before you call PASCO technical support, have the apparatus and this user's guide available. Please note the follow-
ing:
•
Product name and model number (e.g., Gravitational Torsion Balance, AP-8215A)
•
Approximate age of the product;
•
Detailed description of the problem/sequence of events required to duplicate the problem.
For assistance with any PASCO product, contact PASCO at:
For the latest information about this product or the latest revision of the Instruction Manual, visit the PASCO web site
and enter AP-8215A in the Search window.
Address: PASCO scientific
10101 Foothills Blvd.
Roseville, CA 95747-7100
Phone:
+1 916 462 8384 (worldwide)
877-373-0300 (U.S.)
Web:
www.pasco.com
Email: