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S E C T I O N IX D
5 3 0 4 A T I M E R / C O U N T E R
S U B S E C T I O N I
G E N E R A L I N F O R M A T I O N
9 D - 1 - 1 . INTRODUCTION
9 D - 1 - 2 . Description
9D-1-3.
The Hewlett-Packard Model 5304A Timer
Counter, when plugged onto an HP Model 5300A
Measuring System, is capable of:
Measuring fre-
quencies up to 10 MHz, Time Interval measurements
from 500 nsec to 10,000 seconds, Period Average
over a range of 10 Hz to 1 MHz, and Totalizing.
The electrical and mechanical specifications are listed
in Table 9D-1-1.
9 D - 1 - 4 . P u r p o s e a n d U s e of S e c t i o n IX D
9D-1-5.
Section IX I) contains the documentation
necessary to operate, maintain, and repair the HP
Model 5304A Timer Counter plug-on. Also included
are parts lists, component locators, and schematics.
This information is intended to be inserted into the
5300A Measuring System manual as part of Section
IX of that manual.
9D-1-6. INSTRUMENT IDENTIFICATION
91)1 -7.
Hewlett-Packard uses a two-section, nine-
digit serial number (0000A00000) mounted on the
rear panel to identify the instrument. The first four
digits are the serial prefix and the last five digits
refer to the specific instrument.
If the serial prefix
on your instrument differs from that listed on the
title page of this section, there are
differences
between the manual and your instrument.
Iiower
serial prefixes are documented in Section IX I),
Subsection VII and higher serial prefixes are covered
by a manual change sheet included with the manual.
9 D - 1 - 8 . M a n u a l C h a n g e s a n d Options
9D-1-9. The title page lists the serial prefix number
to which this information directly applies.
If the
serial prefix is different
from the one listed, a
change sheet is included describing the required
changes.
If this change sheet is missing, the infor-
mation can be supplied by any
Hewlett-Packard
Sales and Service office listed in Section VI of the
5300A Measuring System Manual. Options are listed
in Section IX I), Subsection VII.
9D I I
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