Model 3455A Section I
SECTION I
GENERAL INFORMATION
1-1.
INTRODUCTION.
1-2.
This
Operating and
Service Manual contains
informa-
tion necessary to
install, operate,
test, adjust, and
service
the
Hewlett-Packard Model
34SSA Digital
Vdtmeter.
1-3. Included with this
manual is an Operating
information
supplement. The
supplement is a duplication
of the first
three sections of
this manual and
should be kept with the
instrument for
use
by
the operator.
1-4.
This section of the
manual contains
the performance
specifications and
general operating
characteristics of
the
34SSA. Also
listed are
available options and
accessories,
and
instrument and
manual identification
information.
1-5. SPECIFICATIONS.
1-6.
Operating specifications for the 34SSA are
listed
in
Table
1-1. These specifications are the performance stan-
dards or
limits against which the instrument is tested.
Table
1-2 lists general operating characteristics of the
instrument.
These characteristics are not
specifications but are typical
operating characteristics included as additional
information
for the
user.
1-7.
INSTRUMENT AND
MANUAL IDENTIFICATION.
1-8.
Instrument
identification by serial number is located
on
the
rear
panel. Hewlett-Packard
uses
a
two-section serial
number consisting of a
four-digit prefix and a
five-digit
suffix
separated by a
letter designating the country in
which the
instrument was manufactured. (A
=
U.S.A.;
G
*
West Germany; J
=
Japan; U
=
United
Kingdom.) The
prefix is the same for all identical
instruments and changes
only when a major
instrument change is made. The suHlx,
however, is assigned sequentially and is unique to
each
instrument.
age measurements vrith five digit resolution and dc
voltage
and resistance measurements with S or 6 digit
resolution as
programmed
by
the
user.
The 3455
A
employs an automatic
calibration (AUTO CAL) feature which
automatically
cor-
rects
for possible gain and offset errors in
the analog
cir-
cuitry
to
provide maximum accuracy.
A
removable refer-
ence module permits external calibration of the dc voltage
and resistance functions. The reference module can be
removed, calibrated and returned
to the
instrument, or the
module can be replaced with another recently calibrated
reference. A
MATH feature
permits
voltage
or
resistance
measurements to be scaled into
convenient
units or to be-
read
directly in percent
error from a
selected
reference.
The 34S5A is HP-IB programmable for system applications.
NOTE
HP-IB is
Hewlett-Packard's
implementation
of
IEEE
std
488-1975. “standard digital interface
for
programmable instrumentation
”.
M3. OPTIONS.
1-14.
The following options are
available
for use with the
Model 34S5A;
Option
001
:
Average Responding
AC
Converter
Option
907; Front Handle Kit
Option
908:
Rack Mounting Kit
Option
909: Front Handle and Rack Mounting Kit
Option 910: Additional Set of Operating Information
and
Operating
and
Service Manuals
1-15. Accessories Supplied.
1-16.
A
service kit (-hp- Part
No. 03455-8441
1)
consisting
of a PC extender board and a
fuse is supplied with
the
Model 3455A.
1-17. ACCESSORIES AVAILABLE.
1-9. This manual applies to instruments
with
serial
num-
bers
indicated on the title page, if changes
have
been
made
in
the instrument since this manual
was
printed, a
yellow
“Manual Changes" supplement supplied with the manual
vrill
define these changes and explain
how
to adapt
the
manual to the newer instruments. In addition,
backdating
information contained in Section
VII adapts the manual to
instruments with serial
numbers lower than those listed on
the title page.
1-10. Part numbers
for
the manual and the microfiche
copy of the manual are also listed on
the title page.
1-11. DESCRIPTION.
1-12. The Model
345SA Ehgital
Voltmeter makes ac
volt-
1-18.
The following is a
list
of
accessories available
for use
with the Model
3455A.
Accessory No.
Description
11177A
341IIA
10631A
10631B
10631C
03455-61609
34S5A
Reference Module
High Voltage Probe
(40
kV
dc)
HP-IB Cable 1 meter
(39.37 in.)
HP-IB Cable 2 meter
(78.74 in.)
HP-IB Cable 4
meter (157.48 in.)
Inguard/Outguard Service
Cable
1-19. Recommended Test Equipment.
1-20.
Equipment required to maintain the Model
3455A
is
listed in Table
1-3.
Other equipment may be substituted if
it
meets the requirements
listed in the table.
1-1
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