Keithley 7172, Instruction Manual, Page: 96 / 98

Service Form
Model No. Serial No. Date
Name and Telephone No.
Company
List all control settings, describe problem and check boxes that apply to problem.
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Intermittent
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Analog output follows display
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Particular range or function bad; specify
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IEEE failure
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Obvious problem on power-up
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Batteries and fuses are OK
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Front panel operational
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All ranges or functions are bad
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Checked all cables
Display or output (check one)
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Drifts
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Unable to zero
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Unstable
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Will not read applied input
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Overload
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Calibration only
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Certi Þ cate of calibration required
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Data required
(attach any additional sheets as necessary)
Show a block diagram of your measurement system including all instruments connected (whether power is turned on or not).
Also, describe signal source.
Where is the measurement being performed? (factory, controlled laboratory, out-of-doors, etc.)
What power line voltage is used? Ambient temperature? °F
Relative humidity? Other?
Any additional information. (If special modi Þ cations have been made by the user, please describe.)
Be sure to include your name and phone number on this service form
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