HP 3400A Service Manual

SECTION Il
INSTALLATION
2-1. INTRODUCTION
2-2. This section contains information and instructions necessary for installation and ship-
ping of the -hp- Model 3400A RMS Voltmeter. Included are initial inspection procedures,
power requirements, installation information, and instructions for repackaging for ship-
ment.
2-3. INITIAL INSPECTION
2-4. The -hp- Model 3400A RMS Voltmeter received a careful mechanical and electrical in-
spection before shipment. As soon as the Model 3400A is received, verify that the contents
are intact and as ordered. Although the instrument should be free of mars and scratches and
in perfect electrical condition, it should be inspected for any physical damage which may
have been incurred in transit. Also test the electrical performance of the instrument using the
procedures given in paragraph 5-5. If any physical damage or electrical deficiency is found,
refer to the warranty on the inside front cover of this manual. Should shipping of the instru-
ment become necessary, refer to paragraph 2-14 for repackaging and shipping instructions.
2-5. POWER REQUIREMENTS
2-6. The Model 3400A can be operated from any ac source of 115- or 230- volts (+ 10%), at
48 to 440 cycles. With the instrument disconnected from the ac power source, move the slide
switch (located on the rear panel) until the desired line voltage value appears. The ac line
fuse is a 0.25 amp, fast blow type for 115- or 230-volt GpetsHon: Power dissipation is ap-
proximately 7 watts.
2-7. The Model 3400A is equipped with a three-prong power cord. To protect operating per-
sonnel, it is necessary to preserve the grounding feature of this plug when using a two con-
tact
ac
outlet.
Use
a
three-prong
to
two-prong
adapter
and
connect
the
green
pigtail
lead
on
the adapter to ground.
2-8. INSTALLATION
2-9.
The
Model
3400A
is
a
submodular
unit
suitable
for
bench
top
use.
However,
when
used
in
combination
with
other
submodular
units
it
can
be bench
and/or
rack
mounted.
The
-hp-
combining
case
and
adapter
frame
are
designed
for
this
purpose.
2-10. Combining Case (-hp- Models 1051A or 1052A)
2-11.
The
combining
case
is
a
full-module
unit
which
accepts
various
combinations
of
sub-
modular units. Being a full-module unit, it can be bench or rack mounted and is analogous
to any full-module instrument.

HP 3400A Specifications

General

Brand	HP
Model	3400A
Category	Measuring Instruments
Language	English