AUTHORIZATION FROM PASCO. Limited Warranty When returning equipment for repair, the units must PASCO scientific warrants the product to be free from be packed properly. Carriers will not accept responsi- defects in materials and workmanship for a period of bility for damage caused by improper packing. To be one year from the date of shipment to the customer.
Introduction Additional Equipment Required The PASCO Model TD-8578 Thermal Expansion In addition to the TD-8578 Thermal Expansion Apparatus provides easy and accurate measurements Apparatus, the following items are needed to perform of the coefficient of linear expansion for brass, copper, the experiment: and aluminum.
Thermal Expansion Apparatus 012-07114D Accepted Values for Coefficient of Replacement Parts Thermal Expansion The following parts can be ordered from PASCO scientific. ( x10-6/ C) Material Item PASCO # Copper 150-031 Mod. Thermistor (100k ) Brass 648-07139 AL Tube Aluminum...
012-07114D Thermal Expansion Apparatus Experiment: Measuring the Coefficient of Linear Expansion for Copper, Brass, and Aluminum Introduction Most materials expand when heated through a temperature range that does not produce a change in phase. The added heat increases the average amplitude of vibration of the atoms in the material, which increases the average separation between the atoms.
Thermal Expansion Apparatus 012-07114D ➃ Place the foam insulator over the thermistor lug. ➄ Plug the leads of your ohmmeter into the banana plug connectors labeled THERMISTOR in the center of the expansion base. The banana plug connectors are located at one end of this unit in a stop bracket.
012-07114D Thermal Expansion Apparatus ➁ Calculate ∆T = T – T . Record the result in the table. ➂ Using the equation ∆L = αL ∆T, calculate α for copper, steel, and aluminum. α __________________ α = __________________ Brass α __________________ Questions ➀...
012-07114D Thermal Expansion Apparatus Technical Support Feedback Contacting Technical Support If you have any comments about the product or Before you call the PASCO Technical Support staff, it manual, please let us know. If you have any sugges- would be helpful to prepare the following information: tions on alternate experiments or find a problem in the ➤...
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