Output Connections To Electrometer; Scanner Card Removal - Keithley 6521 Instruction Manual

2.4.2 Output connections to electrometer

After installation, be sure to connect the scanner card triax
output cable to the Model 6517 INPUT jack. Figure 2-11
shows typical output connections.

2.4.3 Scanner card removal

Follow the steps below to remove the scanner card from the
multimeter:
WARNING
Turn off power to all instrumentation
(including the Model 6517 Electrome-
ter), and disconnect all line cords. Make
Connect Output cable
to 6517 input jack
Figure 2-11
Output connections
Card Connections and Installation
sure all power is removed and any
stored energy in external circuitry is dis-
charged.
1. Loosen the mounting screw.
2. Carefully slide the card out of the electrometer.
3. If the electrometer is to be operated without the scanner
card installed, install the cover plate over the OPTION
SLOT.
NOTE
The Model 6517 should not be operated
without the OPTION SLOT cover in place
because internal temperature changes
could affect accuracy.
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