Optional AC Performance Verification Tests 
These tests are not intended to be performed with every calibration.
They are provided as an aid for verifying additional instrument
specifications. There are no adjustments for these tests; they are
provided for performance verification only.
Configuration:  AC volts 
     6
1
⁄
2
 digit
   
AC FILTER slow (MEAS MENU) 
1 Make sure you have read “Test Considerations” on page 64.
2  Select each function and range in the order shown below.
Compare measurement results to the appropriate test limits shown
in the table. (Be certain to allow for appropriate source settling.)
 
 
  Input 
  (Front)
  Input 
Frequency
34401A   
Range
    
Error  From  Nominal
 24 hour  90 day       1  year
   1 V
  1 V
  1 V
  1 V
  1 V
  1 V
  10 V
  1 V
  100 mV 
  20 Hz
  1 kHz
  20 kHz
  50 kHz
  100 kHz
  300 kHz
  1 kHz
  1 kHz
  1 kHz
   1 V
   1 V
   1 V
   1 V
   1 V
   1 V
  10 V 
  10 V 
  10 V 
±600 µV 
±600 µV 
±600 µV 
±1.4 mV 
±6.3 mV 
±45 mV 
±6 mV 
±2.4 mV 
±12 mV 
±800 µV 
±800 µV 
±800 µV 
±1.6 mV 
±6.8 mV 
±45 mV 
±8 mV 
±3.5 mV 
±13 mV 
±900 µV 
±900 µV 
±900 µV 
±1.7 mV 
±6.8 mV 
±45 mV 
±9 mV 
±3.6 mV 
±13 mV 
 
Chapter 4  Calibration Procedures
Optional AC Performance Verification Tests  
72