1 Performance Tests
26 Keysight 53210A/53220A/53230A Assembly Level Service Guide
Auditing the counter’s performance for the quick check points (designated by a
‘Q’) verifies performance for normal accuracy drift mechanisms.
This test does not check for abnormal component failures. To perform the quick
performance check, do the following:
– Perform the counter Self-Test as shown on page 31.
– Perform only the performance verification tests indicated with the letter Q at
the beginning of the test.
– If the counter fails the quick performance check, repair may be required. Refer
to “Troubleshooting the Counter” on page 160.
Remote testing of the counter
All of the counter tests may be run using an automated test system and remote
programming commands. Three interfaces are provided in each counter to allow
operation over an interface from a remote computer: GPIB, LAN, and USB. Refer
to the SCPI Programmer’s Reference for information on the remote commands
available for controlling the counter.
Performance test record
The results of the operational verification, and performance tests should be
recorded on a copy of the Performance Test Record, located at the end of the
complete performance tests section in this chapter.
Test considerations
For optimum performance, all performance tests should comply with the following
recommendations:
– Ensure that the ambient temperature for running the Performance Tests is
stable and between 18 degrees C and 28 degrees C. Ideally, the tests should
be performed at 23
o
C ±1
o
C.
– Ensure that ambient relative humidity is less than 80%.
– See page 37 for warm-up considerations.
– Keep the instrument cables as short as possible, consistent with the
impedance requirements. Use only RG-58 or equivalent 50 Ω cable for
measurements.
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