Introduction
Use the procedures in this section to verify that Model 2182 accuracy is within the limits
stated in the instrument’s one-year accuracy specifications. You can perform these verification
procedures:
• When you first receive the instrument to make sure that it was not damaged during
shipment.
• To verify that the unit meets factory specifications.
• To determine if calibration is required.
• Following calibration to make sure it was performed properly.
WARNING The information in this section is intended only for qualified service
personnel. Do not attempt these procedures unless you are qualified to do
so. Some of these procedures may expose you to hazardous voltages, which
could cause personal injury or death if contacted. Use standard safety
precautions when working with hazardous voltages.
NOTE If the instrument is still under warranty, and its performance is outside specified
limits, contact your Keithley representative or the factory to determine the correct
course of action.
Verification test requirements
Be sure that you perform the verification tests:
• Under the proper environmental conditions.
• After the specified warm-up period.
• Using the correct line voltage.
• Using the proper test equipment.
• Using the specified output signals and reading limits.
Environmental conditions
Conduct your performance verification procedures in a test environment with:
• An ambient temperature of 18-28°C (65-82°F).
• A relative humidity of less than 70% unless otherwise noted.
1-2 Performance Verification
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