HP 4262A User Manual

Section I1
Paragraph 2-12
Model 4262A
Operating voltage is shown in module window
and is usually set to 120V at factory.
SELECTION OF OPERATING VOLTAGE
1. Disconnect power cable and slide module
window to left.
2. Pull FUSE PULL lever and rotate to left.
This removes line fuse.
3. Select operation voltage by orienting PC
board to position desired voltage on top-
left side. Push board firmly into module
slot.
4. Rotate FUSE PULL lever back to its normal
position and re-insert fuse in holder be
carefu] to select correct fuse value.
Operating Voltage Fuse
HP Part No. Description
100Vac
or
120Vac
2110-0007
1
A
250V
Slow
Blow
220Vac
or
240Vac
2110-0202
0.5A
250V
Slow
Blow
Figure 2-1. Voltage and Fuse Selection.
National
Electrical
Manufacturer’s
Association
(NEMA)
recommends
that
the
instrument
panel
and
cabinet
be
grounded.
The
Model
4262A
is
e-
quipped
with
a
three-conductor
power
cable
which,
when
plugged
into
an
appropriate
receptacle,
grounds
the
instrument.
The
offset
pin
on
the
power
cable
is the ground wire.
2-12. To preserve the protection feature when
operating the instrument from a two contact
outlet, use a three prong to two prong adapter
(HP Part No. 1251-8196) and connect the
green
grounding
tab
on
the
adapter
to
power
line ground.
2-2
CAUTION
THE MAINS PLUG MUST ONLY
BE INSERTED IN A SOCKET
OUTLET PROVIDED WITH A
PROTECTIVE EARTH CONTACT.
THE PROTECTIVE ACTION
MUST NOT BE NEGATED BY
THE USE OF AN EXTENSION
CORD (POWER CABLE) WITH-
OUT PROTECTIVE CONDUCTOR
(GROUNDING).

HP 4262A Specifications

General

Brand	HP
Model	4262A
Category	Measuring Instruments
Language	English