HP 3400A Service Manual

SECTION Ill
OPERATING INSTRUCTIONS
3-1. INTRODUCTION
3-2.
This
section
consists
of
instructions
and
information
necessary
for
the
operation
of
the
-hp-
Model
3400A
RMS
Voltmeter.
This
section
contains
identification
of
controls
and
in-
dicators,
turn-on
procedures,
and
operating
instructions.
Also
included
is
a
discussion
of
the
applications for the Model 3400A.
3-3. CONTROLS AND INDICATORS
3-4.
Each
operating
control,
connector,
and
indicator
located
on
the
Model
3400A
is
iden-
tified
and
described
in
Figure
3-1.
The
description
of
each
component
is
keyed
to
an
illustra-
tion
of
that
component
which
is
included
within
the
figure.
3-5. TURN ON PROCEDURE
3-6.
To
turn
on
the
Model
3400A,
proceed
as
follows:
a.
Set
115/230
switch
(7,
Figure
3-1)
to
correct
position
for
input
line
voltage.
b.
Apply
ac
voltage
to
Model
3400A
by
plugging
power
cord
into
input
power
jack
(8)
ac
receptacle.
c.
Operate
power
switch
(4)
to
ON;
ensure
that
LINE
indicator
(3)
lights.
NOTE
Allow
five
minutes
for
the
Model 3400A
to
warm
up
and
stabilize
before
making
a
reading.
3-7. OPERATING INSTRUCTION
Do
not
measure
signal
above
80
volts
with
10
to
1
crest
Jactor.
Otherwise,
the
maximum
input
rating
(800
volts
peak)
will
be
ex-
ceeded.
When
measuring
signals
up
to
80
volts
RMS
with
a
10
to
1
crest
factor,
use
the
BNC
to
dual
banana
jack,
accessory
10110A,
Supplied
with
the
instrument,
or
other
input
test
leads
and
connec-
tions
that
will
withstand
the
maximum
input
of
800
volts
peak.
3-8.
To
operate
the
Model
3400A
as
an
rms
voltmeter
proceed
as
follows:
a.
Attach
test
lead
to
INPUT
connector
(6,
Figure
3-1).
(See
Table
1-3
for
a
list
of
test
leads
available.)
3-1]

HP 3400A Specifications

General

Brand	HP
Model	3400A
Category	Measuring Instruments
Language	English