Keysight U3402A 5 ½ Digit Dual Display Multimeter
User’s and Service Guide
75
4 Performance Test 
Calibration Overview   76
Recommended Test Equipment     77
Test Considerations     78
Performance Verification Test Overview     79
This chapter contains performance test procedures. The performance test 
procedures allow you to verify that the multimeter is operating within its 
published specifications. 
Shock hazard. Only service-trained personnel who are aware of the hazards 
involved should perform the procedures in this chapter. To avoid electrical 
shock and personal injury, make sure to read and follow all test equipment 
safety instructions.
Use only completely electrically insulated test lead sets with connectors that 
prevent contact with test voltages.