Keithley 6220 DC, User Manual

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Model 6220/6221 User’s Manual Getting Started 1-3
Return to Section 1 topics
General information
Warranty information
Warranty information is located at the front of this manual. Should your Model
622x require warranty service, contact the Keithley representative or authorized
repair facility in your area for further information. When returning the instrument
for repair, be sure to fill out and include the service form at the back of this manual
to provide the repair facility with the necessary information.
Contact information
Worldwide phone numbers are listed at the front of this manual. If you have any
questions, please contact your local Keithley representative or call one of our
Application Engineers at 888-Keithley (534-8453) or 800-552-1115 (U.S. and
Canada only). You can also contact Applications Engineering online at
www.keithley.com.
Safety symbols and terms
The following symbols and terms may be found on the instrument or used in this
manual:
If a screw is present, connect it to safety earth ground using the wire recom-
mended in the user documentation.
The symbol on an instrument indicates that the user should refer to the oper-
ating instructions located in the manual.
The symbol on an instrument shows that it can source or measure 1000 volts
or more, including the combined effect of normal and common mode voltages.
Use standard safety precautions to avoid personal contact with these voltages.
The symbol indicates a connection terminal to the equipment frame.
The WARNING heading used in this manual explains dangers that might result in
personal injury or death. Always read the associated information very carefully
before performing the indicated procedure.
The CAUTION heading used in this manual explains hazards that could damage
the instrument. Such damage may invalidate the warranty.
Unpacking and inspection
Inspection for damage
The Model 622x was carefully inspected electrically and mechanically before ship-
ment. After unpacking all items from the shipping carton, check for any obvious
signs of physical damage that may have occurred during transit. (There may be a
protective film over the display lens, which can be removed.) Report any damage
!