Performance Tests and Calibration 6
Keysight U1253B User’s and Service Guide 173
Performance Verification Tests
Use the following performance verification tests to verify the measurement
performance of the U1253B true RMS OLED multimeter. These performance
verification tests are based on the specifications listed in the instrument data sheet.
These performance verification tests are recommended as acceptance tests when
you first receive the instrument. After acceptance, you should repeat the
performance verification tests at every calibration interval (to be performed before
calibration to identify which measurement functions and ranges require
calibration).
Carry out the performance verification tests according to Table 6-2 on page 174.
For every listed step:
1 Connect the calibration standard terminals to the appropriate terminals on the
U1253B true RMS OLED multimeter.
2 Set up the calibration standard with the signals specified in the “Reference
signals/values” column (one setting at a time, if more than one setting is listed).
3 Turn the rotary switch of the U1253B true RMS OLED multimeter to the
function being tested, and choose the correct range, as specified in the table.
4 Check whether the measured reading falls within the specified error limits from
the reference value. If yes, then this particular function and range does not
require adjustment (calibration). If not, then adjustment is necessary.
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