
General Information
1-2
1.4
Manual addenda
Any improvements or changes concerning the scanner card
or manual will be explained in an addendum included with
the card. Addenda are provided in a page replacement for-
mat. Simply replace the obsolete pages with the new pages.
1.5
Safety symbols and terms
The following symbols and terms may be found on an instru-
ment or used in this manual.
The symbol
on an instrument indicates that the user
should refer to the operating instructions located in the in-
struction manual.
The
WARNING
heading used in this manual explains dan-
gers that might result in personal injury or death. Always
read the associated information very carefully before per-
forming the indicated procedure.
The
CAUTION
heading used in this manual explains haz-
ards that could damage the scanner card. Such damage may
invalidate the warranty.
The
symbol indicates a safety earth ground. The
ground screw must be secured to assure that the scanner card
is properly grounded.
1.6
Specifications
Model 6521/22 specifications are found at the front of this
manual. These specifications are exclusive of the Model
6517 Electrometer specifications.
1.7
Unpacking and inspection
1.7.1 Inspection for damage
The Model 6521/22 is packaged in a re-sealable, anti-static
bag to protect it from damage due to static discharge and
from contamination that could degrade its performance. Be-
fore removing the card from the bag, observe the precautions
on handling discussed below.
1.7.2 Handling precautions
• Always grasp the card by the side edges and covers. Do
not touch the board surfaces or components.
• After removing the card from its anti-static bag, inspect
it for any obvious signs of physical damage. Report any
such damage to the shipping agent immediately.
• When the card is not installed in a Model 6517 Elec-
trometer, keep the card in the anti-static bag, and store
it in the original packing carton.
1.7.3 Shipment contents
The following items are included with every Model 6521/22
order:
• Model 6521/22 Scanner Card
• Model 6521/22 Instruction Manual
• Input/output cables (factory connected to card)
• Additional accessories as ordered
1.7.4 Instruction manual
If an additional Model 6521/22 Instruction Manual is re-
quired, order the manual package, Keithley part number
6521-901-00. The manual package includes an instruction
manual and any pertinent addenda.
1.8
Repacking for shipment
Should it become necessary to return the Model 6521/22 for
repair, carefully pack the unit in its original packing carton
or the equivalent, and include the following information:
• Advise as to the warranty status of the scanner card.
• Write ATTENTION REPAIR DEPARTMENT on the
shipping label.
• Fill out and include the service form located at the back
of this manual.
1.9
Optional accessories
The following optional accessories are recommended for use
for the Model 6521/22.
1.9.1 Model 6521 accessories
Model 4801 Coax Cable:
Low-noise coax cable, 1.2m (48
in) in length with male BNC connectors on each end. Rec-
ommended for extending Model 6521 input connections.
!
Содержание 6521
Страница 12: ...iv...
Страница 14: ...vi...
Страница 16: ...viii...
Страница 20: ...General Information 1 4...
Страница 28: ...Card Connections and Installation 2 8...
Страница 42: ...Operation 3 14...
Страница 56: ...Replaceable Parts 5 4...
Страница 57: ......
Страница 58: ......
Страница 59: ......
Страница 63: ......
Страница 64: ......