HP 4155A, User'S Task Manual

Page: 97 / 279

Making a Measurement
Connection to Device Under T est (DUT)
T o Mount a DUT on T est Fixture
1. Set your HP 4155A/4156A to idle state by pressing 4
Stop
5 key in the
MEASUREMENT key group . If the standby indicator is lit, press the
4
Standb y
5 key to turn o the standby indicator .
2. Select a proper socket module for your DUT , then set the module on the
test xture .
3. Mount your DUT on the socket module .
4. Connect the terminals of the socket module to the terminals of the test
xture by using the proper cables .
5. Close the lid of the test xture , if necessary .
When the HP 4155A/4156A forces more than 640 V , close the lid of the test
xture . Otherwise , the interlock function will stop the HP 4155A/4156A
output.
C A U T I O N
Do not connect or disconnect your DUT and HP 4155A/4156A while the HP
4155A/4156A is forcing voltage or current. Otherwise , your DUT may be
damaged.
T o connect the DUT on the test xture , you can use cables that have the
following connectors:
Miniature banana|miniature banana
Miniature banana|pin plug
Miniature banana|miniature clip
C A U T I O N
Do not touch the contact part of the connection cables . Oil, perspiration,
and dirt prevent good electrical contact, deteriorate insulation, and degrade
measurement accuracy .
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