Technical data

57
U3401A 4 ½ Digit Dual Display Multimeter
User’s and Service Guide
Agilent Technologies
4
Performance Test
Calibration Overview 58
Agilent Technologies Calibration Services 58
Calibration Interval 58
Recommended Test Equipment 59
Test Considerations 60
Performance Verification Te st s O v er vi ew 61
Performance Verification Tests 61
DC Voltage Verification Test 61
DC Current Verification Test 62
Resistance Verification Test 64
Diode Verification Test 65
Frequency Verification Test 65
AC Voltage Verification Test 66
AC Current Verification Test 67
This chapter contains performance test procedures and
calibration procedures. The performance tests procedures
allow you to verify that the multimeter is operating within
its published specifications.
WARNING
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.