1. Manuals
  2. Brands
  3. Pasco Scientific Manuals
  4. Laboratory Equipment
  5. TD-8553
  6. Instruction manual and experiment manual

Pasco Scientific TD-8553 Instruction Manual And Experiment Manual

Thermal radiation system
Hide thumbs

Advertisement

Table of Contents

Includes
Instruction Manual and
Teacher's Notes
and
Experiment Guide for the
Typical
Experiment Results
PASCO scientific
Model TD-8553/8554A/8555
RADIATION SYSTEM
CAUTION: HOT!
ON
OFF
© 1988 PASCO scientific
THERMAL
TD-8554A Radiation Cube
100W
BULB
4
5
MAX.
3
6
2
7
1
8
LOW
HIGH
TD-8553 Radiation Sensor
(Leslie's Cube)
012-04695D
03/99
TD-8555
STEFAN-BOLTZMAN
LAMP
CAUTION
13 VDC MAX LAMP VOLTAGE
FOR MAXIMUM ACCURACY,
MEASURE VOLTAGE AT
BINDING POSTS
USE NO.1196 BULB
TD-8555 Stefan
Boltzman Lamp
$5.00

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TD-8553 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Pasco Scientific TD-8553

Summary of Contents for Pasco Scientific TD-8553

  • Page 1 (Leslie's Cube) TD-8555 STEFAN-BOLTZMAN LAMP CAUTION 13 VDC MAX LAMP VOLTAGE FOR MAXIMUM ACCURACY, MEASURE VOLTAGE AT BINDING POSTS USE NO.1196 BULB 100W CAUTION: HOT! BULB MAX. TD-8555 Stefan Boltzman Lamp HIGH TD-8553 Radiation Sensor © 1988 PASCO scientific $5.00...
  • Page 2 Thermal Radiation 012-04695D CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN The lightning flash with arrowhead, The exclamation point within an equi- CAUTION: TO PREVENT THE RISK OF within an equilateral triangle, is intended lateral triangle is intended to alert the ELECTRIC SHOCK, DO NOT to alert the user of the presence of user of the presence of important...

  • Page 3: Table Of Contents

    012-04695D Thermal Radiation System Table of Contents Section ...................... Page Copyright and Warranty, Equipment Return ..........ii Introduction ..................... 1 Radiation Sensor ....................1 Thermal Radiation Cube (Leslie’s Cube) ............2 Stefan-Boltzmann Lamp .................. 3 Experiments: Experiment 1: Introduction to Thermal Radiation ........5 Experiment 2: Inverse Square Law ............

  • Page 4: Copyright And Warranty, Equipment Return

    When returning equipment for repair, the units must be Limited Warranty packed properly. Carriers will not accept responsibility PASCO scientific warrants the product to be free from for damage caused by improper packing. To be certain defects in materials and workmanship for a period of the unit will not be damaged in shipment, observe the one year from the date of shipment to the customer.

  • Page 5: Introduction

    Introduction The PASCO Thermal Radiation System includes three In addition to the equipment in the radiation system, items: the TD-8553 Radiation Sensor, the TD-8554A several standard laboratory items, such as power Radiation Cube (Leslie's Cube), and the TD-8555 supplies and meters are needed for most experiments.

  • Page 6: Thermal Radiation Cube (Leslie's Cube)

    Thermal Radiation System 012-04695D Thermal Radiation Cube (Leslie’s Cube) The TD-8554A Radiation Cube (Figure 2) provides CAUTION: Cube may be HOT! four different radiating surfaces that can be heated from room temperature to approximately 120 °C. The cube is heated by a 100 watt light bulb. Just plug in the power cord, flip the toggle switch to “ON”, then turn the knob clockwise to vary the power.

  • Page 7: Stefan-Boltzmann Lamp

    CAUTION law. 13 VDC MAX LAMP VOLTAGE FOR MAXIMUM ACCURACY, PASCO scientific MEASURE VOLTAGE AT By adjusting the power into the lamp (13 Volts max, 2 BINDING POSTS A min, 3 A max), filament temperatures up to approxi- USE NO.1196 BULB...
  • Page 8 Thermal Radiation System 012-04695D Table 2 Temperature and Resistivity for Tungsten Temp Resistivity Temp Resistivity Temp Resistivity Temp Resistivity °K µΩ cm °K µΩ cm °K µΩ cm °K µΩ cm 300K 300K 300K 300K 5.65 5.48 1200 30.98 10.63 2100 60.06 16.29...

  • Page 9: Experiment 1: Introduction To Thermal Radiation

    012-04695D Thermal Radiation System Experiment 1: Introduction to Thermal Radiation EQUIPMENT NEEDED: — Radiation Sensor, Thermal Radiation Cube — Window glass — Millivoltmeter — Ohmmeter. NOTES: ä If lab time is short, it's helpful to preheat the cube at a setting of 5.0 for 20 minutes before the laboratory period begins.
  • Page 10 Thermal Radiation System 012-04695D Part 2 Use the Radiation Sensor to examine the relative magnitudes of the radiation emitted from various objects around the room. On a separate sheet of paper, make a table summarizing your observations. Make measurements that will help you to answer the questions listed below. Absorption and Transmission of Thermal Radiation Place the Sensor approximately 5 cm from the black surface of the Radiation Cube and record the reading.
  • Page 11 012-04695D Thermal Radiation System Questions (Part 1) List the surfaces of the Radiation Cube in order of the amount of radiation emitted. Is the order independent of temperature? It is a general rule that good absorbers of radiation are also good emitters. Are your measure- ments consistent with this rule? Explain.
  • Page 12 Thermal Radiation System 012-04695D Notes...

  • Page 13: Experiment 2: Inverse Square Law

    012-04695D Thermal Radiation System Experiment 2: Inverse Square Law EQUIPMENT NEEDED: — Radiation Sensor — Stefan-Boltzmann Lamp, Millivoltmeter — Power Supply (12 VDC; 3 A), meter stick. Align axes of filament and Sensor Top View Power Supply (13 V MAX!) Millivoltmeter Meter Stick Align zero-point of meter stick...
  • Page 14 Thermal Radiation System 012-04695D IMPORTANT: Do not let the voltage to the lamp exceed 13 V. ä Adjust the distance between the Sensor and the lamp to each of the settings listed in Table 2.2. At each setting, record the reading on the millivoltmeter. IMPORTANT: Make each reading quickly.
  • Page 15 012-04695D Thermal Radiation System Calculations For each value of X, calculate 1/X . Enter your results in Table 2.2. Subtract the Average Ambient Radiation Level from each of your Rad measurements in Table 2.2. Enter your results in the table. On a separate sheet of paper, make a graph of Radiation Level versus Distance from Source, using columns one and four from Table 2.2.
  • Page 16 Thermal Radiation System 012-04695D Notes...

  • Page 17: Experiment 3: Stefan-Boltzmann Law (High Temperature)

    012-04695D Thermal Radiation System Experiment 3: Stefan-Boltzmann Law (high temperature) EQUIPMENT NEEDED: — Radiation Sensor — Stefan-Boltzmann Lamp — Ohmmeter — Ammeter (0-3 A) — Voltmeter (0-12 V) — Millivoltmeter — Ohmmeter — Thermometer. Introduction The Stefan-Boltzmann Law relates R, the power per unit area radiated by an object, to T, the absolute temperature of the object.
  • Page 18 Thermal Radiation System 012-04695D Procedure IMPORTANT: The voltage into the lamp should NEVER exceed 13 V. Higher voltages ä will burn out the filament. BEFORE TURNING ON THE LAMP, measure T , the room temperature in degrees Kelvin, (K=°C + 273) and R , the resistance of the filament of the Stefan-Boltzmann Lamp at room temperature.
  • Page 19 012-04695D Thermal Radiation System Data and Calculations Calculate R, the resistance of the filament at each of the voltage settings used (R = V/I). Enter your results in Table 3.1. Use the procedure on pages 3 and 4 of this manual to determine T, the temperature of the lamp filament at each voltage setting.
  • Page 20 Thermal Radiation System 012-04695D Notes...

  • Page 21: Experiment 4: Stefan-Boltzmann Law (Low Temperature)

    012-04695D Thermal Radiation System Experiment 4: Stefan-Boltzmann Law (low temperature) EQUIPMENT NEEDED: — Radiation Sensor — Thermal Radiation Cube — Millivoltmeter — Ohmmeter. Introduction In experiment 3, you investigated the Stefan-Boltzmann Law (R = sT ) for the high temperatures attained by an incandescent filament. At those high temperatures (approxi- mately 1,000 to 3,000 K), the ambient temperature is small enough that it can be neglected in the analysis.
  • Page 22 Thermal Radiation System 012-04695D IMPORTANT: Make each reading quickly, removing the heat shield only as long as it ä takes to make the measurement. Take care that the position of the sensor with respect to the cube is the same for all measurements. Replace the heat shield, and turn the cube power to 10.

  • Page 23: Teacher's Guide

    012-04695D Thermal Radiation System Teacher’s Guide Experiment 1: Introduction to Thermal Radiation Notes on Questions Notes on Questions Part 1 Part 2 In order of decreasing emissivity, the surfaces are Yes. All sides of the Leslie’s Cube are at the same Black, White, Dull Aluminum, and Polished Alumi- temperature, but the polished side emits less than num.
  • Page 24 Thermal Radiation System 012-04695D Notes on Questions Suggestion: The graph of Radiation versus 1/x is more linear, The largest part of the error in this lab is due to the but not over the entire range. There is a distinct non-point nature of the Stefan-Boltzmann Lamp.
  • Page 25 012-04695D Thermal Radiation System The lamp filament is not a true black body. If it Any other thermal source in the room would influ- were, it would be completely and totally black at ence the results, including the warm body of the ex- room temperature.
  • Page 26 Thermal Radiation System 012-04695D Notes...

  • Page 27: Technical Support

    012-04695D Thermal Radiation System Technical Support Feed-Back Contacting Technical Support If you have any comments about this product or this 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 •...

This manual is also suitable for:

Td-8554aTd-8555

Table of Contents

Save PDF