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Model 2520 User's Manual
Testhead preparation
Testhead mounting
The Model 2520 has a mounting ear with two holes (2.5 inches on-center) that allow the
unit to be mounted in a location convenient to the test fixture. When mounting the
testhead, be sure to allow sufficient clearance around the heat sink for proper cooling.
CAUTION
Testhead connections
CAUTION
Figure 2-1
the supplied cables, make connections as follows:
•
•
To prevent damaging heat build-up and thus, ensure specified perfor-
mance, adhere to the following precautions:
•
Keep the heat sink free of dust, dirt, and contaminates, since its
ability to dissipate heat could become impaired.
•
Do not position any devices adjacent to the testhead that force air
(heated or not) into or onto its surfaces or cooling vents. This addi-
tional airflow could compromise accurate performance.
•
Make sure there is adequate airflow around the bottom and sides
to ensure proper cooling. Adequate airflow enables air tempera-
tures within approximately one inch of the testhead surfaces to
remain within specified limits under all operating conditions.
Turn off the mainframe power before connecting or disconnecting the
testhead to the mainframe.
shows connections between the Model 2520 mainframe and the testhead. Using
Connect the mainframe TESTHEAD CONN 1 connector to the testhead
MAINFRAME CONN 1 connector.
Connect the mainframe TESTHEAD CONN 2 connector to the testhead
MAINFRAME CONN 2 connector.
Connections
2-3
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