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Model 6517B Electrometer Reference Manual
Section 3: Connections
Connectors, terminals, and internal wiring
The following figures show the types of connectors needed to use the test fixtures with the Model
6517B. All connectors, except the triaxial connector, must be insulated from the chassis of the test
fixture. The outer shell of the triaxial connector must be referenced to chassis ground. Therefore, DO
NOT insulate the outer shell of the triaxial connector from the metal chassis of the test fixture.
The DUT and test circuits are to be mounted on the guard plate using insulated terminals. To
minimize leakage, select terminals that use virgin Teflon insulators.
Inside the chassis of the test fixture, you may use coaxial cable to extend guard from the triaxial
connector to the DUT. The shield (guard) of the cable should extend as far as possible to the DUT.
Figure 24: Test fixture to source voltage and measure current
6517B-901-01 Rev. C / August 2015
3-13
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