Performance Verification 1-7
Performing the verification test procedures
Test summary
Verification test procedures include:
• DC volts
• AC volts
• DC current
• AC current
• Resistance
• Temperature
• Frequency
• Total harmonic distortion
• Function generator amplitude
If the Model 2015 is not within specifications and not under warranty, see the calibration pro-
cedures in Section 2.
Test considerations
When performing the verification procedures:
• Be sure to restore factory defaults as outlined above.
• After restoring factory defaults and selecting the measuring function, select the SLOW
integration rate with the RATE key.
• Make sure that the equipment is properly warmed up and connected to the front panel
input jacks. Also make sure that the front panel input jacks are selected with the INPUTS
switch.
• Do not use autoranging for any verification tests because autorange hysteresis may cause
the Model 2015 to be on an incorrect range. For each test signal, you must manually set
the correct range for the Model 2015 using the range keys.
• Make sure the calibrator is in operate before you verify each measurement.
• Always let the source signal settle before taking a reading.
• Do not connect test equipment to the Model 2015 through a scanner or other switching
equipment.
WARNING
The maximum common-mode voltage (voltage between INPUT LO and
chassis ground) is 500V peak. Exceeding this value may cause a breakdown
in insulation, creating a shock hazard. Some of the procedures in this sec-
tion may expose you to dangerous voltages. Use standard safety precau-
tions when such dangerous voltages are encountered to avoid personal
injury caused by electric shock.
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