Model 8904A
Performance Tests
Section
4
PERFORMANCE
TESTS
4-1.
INTRODUCTION
The procedures in this section
test
the instrument’s electrical performance using the specifications
of Table
1-1
as
performance standards. All
tests
are performed without accessing the interior of the
instrument.
NOTE
The instrument
should
be allowed a
10
minute warm-up period prior to
beginning the performance tests.
Line
voltage must be within
&IO%
of
nominal
if
the results
of
the performance tests are to be considered
did.
4-2.
EQUIPMENT REQUIRED
Equipment required for the performance tests is listed in Table
1-2,
Recommended Test Equipment.
Any equipment that satisfies the critical specificationi provided in the table may be substituted for
the recommended model(s).
4-3.
PERFORMANCE TEST RECORD
Results
of
the performance tests may be tabulated on the
Performance Test Record
at the end
of
the procedures. The
Performance Test Record
lists all of the tested specifications and their
acceptable limits. The results, recorded at incoming inspection, can be used for comparison in periodic
maintenance and troubleshooting and after repairs or adjustments.
4-4.
CALIBRATION CYCLE
This instrument requires periodic verification of performance. Depending on the use and environmen-
tal conditions, the instrument should be checked using the following performance tests
at
least once
each year.
4-5.
BASIC FUNCTIONAL CHECKS
The basic functions of the
HP
8904A can be verified by performing the instrument operating
demonstrations in Chapter
1
(all instruments) and Chapter
4
(instruments with Option
002)
in the
HP
8904A
Basic Operation and Application
guide and comparing the output signals with the waveforms
shown in the guide. Table
4-1
lists the functions that can be verified using the
Basic Operation and
Application
guide.
For
Options
005
and
006,
refer to the respective Operating Supplement.
4-1
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