Tektronix KEITHLEY 8009 Instruction Manual
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Tektronix KEITHLEY 8009 Instruction Manual

Tektronix KEITHLEY 8009 Instruction Manual

Resistivity test fixture
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Model 8009
Resistivity Test Fixture
Instruction Manual
8009-901-01 Rev. E August 2022
*P8009-901-01E*
8009-901-01E

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  • Page 1 tek.com/keithley Model 8009 Resistivity Test Fixture Instruction Manual 8009-901-01 Rev. E August 2022 *P8009-901-01E* 8009-901-01E...
  • Page 2 Model 8009 Resistivity Test Fixture Instruction Manual...
  • Page 3 © 2022, Keithley Instruments, LLC Cleveland, Ohio, U.S.A. All rights reserved. Any unauthorized reproduction, photocopy, or use of the information herein, in whole or in part, without the prior written approval of Keithley Instruments, LLC, is strictly prohibited. These are the original instructions in English. All Keithley Instruments product names are trademarks or registered trademarks of Keithley Instruments, LLC.

  • Page 4: Table Of Contents

    Table of contents Getting started ......................1-1 Introduction .......................... 1-1 Features ..........................1-1 Cleaning ..........................1-1 Operation ........................2-1 Operation overview ......................2-1 ASTM standard ......................... 2-4 Specimen mounting ......................2-4 Connections ......................... 2-5 6517 or 6517A connections....................... 2-5 6517B connections ........................2-7 Test voltage ..........................
  • Page 5 Safety precautions The following safety precautions should be observed before using this product and any associated instrumentation. Although some instruments and accessories would normally be used with nonhazardous voltages, there are situations where hazardous conditions may be present. This product is intended for use by personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury.
  • Page 6 For safety, instruments and accessories must be used in accordance with the operating instructions. If the instruments or accessories are used in a manner not specified in the operating instructions, the protection provided by the equipment may be impaired. Do not exceed the maximum signal levels of the instruments and accessories. Maximum signal levels are defined in the specifications and operating information and shown on the instrument panels, test fixture panels, and switching cards.

  • Page 7: Getting Started

    Section 1 Getting started In this section: Introduction ................1-1 Features ..................1-1 Cleaning ..................1-1 Introduction Ω-cm or The Model 8009 Resistivity Test Fixture allows volume resistivity measurements up to 10 Ω. The test fixture uses a three-lug triaxial connector that surface resistivity measurements up to 10 allows simple connection to a Keithley Instruments Model 6517, 6517A, or 6517B Electrometer.

  • Page 8: Operation

    Section 2 Operation In this section: Operation overview ..............2-1 Specimen mounting ..............2-4 Connections ................2-5 Test voltage ................2-8 Current measurement range and compliance limit ....2-8 Electrification time ..............2-8 Resistivity measurement procedure ..........2-8 Calculating resistivity ..............2-10 Operation overview The basic method to determine resistivity of a specimen is a two-step process: •...
  • Page 9 Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual The following figures shows the front view and the pushbutton switch that selects the resistivity test. Figure 2: Front view - resistivity switch The following figure shows the test fixture connectors. Figure 3: Side view - connectors The following figure shows a schematic diagram of the 8009.
  • Page 10 Model 8009 Resistivity Test Fixture Instruction Manual Section 2: Operation Figure 4: 8009 schematic diagram Comparison of terms 8009 ASTM D257 Guarded electrode Electrode No. 1 Ring electrode Electrode No. 2 Top electrode Electrode No. 3 Sample Specimen The included protective spacer should only be used when the 8009 is in the closed position and should never be used in a measurement.

  • Page 11: Astm Standard

    Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual ASTM standard Methods, recommendations, and calculations used in this manual to make resistivity measurements are based on the ASTM standard American Society for Testing and Materials, Standard Methods of Test for Electrical Resistance of Insulation Materials, ASTM Designation D257-14. Specimen mounting For the minimum and maximum sample sizes, refer to the specifications.

  • Page 12: Connections

    Model 8009 Resistivity Test Fixture Instruction Manual Section 2: Operation Connections The following sections show connections for using your 8009 with a 6517A or a 6517B. The earth ground screw terminal of the 8009 Resistivity Test Fixture must be connected to a known safety earth ground using the supplied SC-73 ground wire or the #18 AWG or a larger wire.
  • Page 13 Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual Figure 5: Connecting a 6517 to the 8009 8009-901-01 Rev. E August 2022...

  • Page 14: 6517B Connections

    Model 8009 Resistivity Test Fixture Instruction Manual Section 2: Operation 6517B connections Refer to the following figure to connect the 6517B to the 8009 test fixture. The triaxial cable and the 6517B-ILC-3 (CA-509) interlock cable are supplied with the 8009. The ground link on the 6517B must be removed.

  • Page 15: Test Voltage

    Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual Test voltage Typically, the specified test voltages to be applied to the specimen are 100 V, 250 V, 500 V, and 1000 V. The maximum test voltage that can be applied to the 8009 is 1000 V. The most frequently used test voltages are 100 V and 500 V.
  • Page 16 Model 8009 Resistivity Test Fixture Instruction Manual Section 2: Operation To make resistivity measurements: 1. Mount the specimen in the 8009 test fixture. See Specimen mounting (on page 2-4) for detailed information. 2. Close the lid of the test fixture. 3.

  • Page 17: Calculating Resistivity

    Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual Calculating resistivity The following equations are used to calculate volume and surface resistivity. They are based on the physical dimensions of the electrodes of the 8009. The insulator sample must be large enough that all the surfaces of the electrodes make contact with the sample.

  • Page 18: Surface Resistivity

    Model 8009 Resistivity Test Fixture Instruction Manual Section 2: Operation Surface resistivity Surface resistivity is the electrical resistance of the surface of specimen material. It is measured from electrode to electrode along the surface of the specimen. Since surface length is fixed, the measurement is independent of the physical dimensions of the specimen.

  • Page 19: Volume Resistivity

    Section 2: Operation Model 8009 Resistivity Test Fixture Instruction Manual Volume resistivity Volume resistivity is defined as the electrical resistance through a cube of insulating material. When expressed in ohm-centimeters, it is the electrical resistance through a one-centimeter cube of insulating material.
  • Page 20 Specifications are subject to change without notice. All Keithley trademarks and trade names are the property of Keithley Instruments. All other trademarks and trade names are the property of their respective companies. Keithley Instruments • 28775 Aurora Road • Cleveland, Ohio 44139 • 1-800-833-9200 • tek.com/keithley 04/2022...

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