Agilent Technologies 4284A - Page 46

(13) UNKNO
WN
T
erminals
These
are the
UNKNOWN
Terminals
used to
connect
a
four-terminal
pair
test
xture
or
test
leads
for
measuring
the
device
under
test.Av
ailable
four
terminal-pair
test xtures
or test
leads are
refer
to
the Accessories
Selection Guide
F
or
Imp
edance
Measuremen
ts
(Catalog
n
um
b
er
5963-6834E).
INST
ALLA
TION
CA
TEGOR
Y
I
Caution
Do
not
apply
DC
v
oltage
or
current
to the
UNKNOWN
terminals.
Doing
so
will
damage
the
4284A
.
Before
y
ou
measure
a
capacitor,
b
e
sure
the
capacitor
is
fully disc
harged.
(14)
FRAME
T
erminal
This
is
the
FRAME
T
erminal
whic
h
is
tied
to
the
instrumen
t's
c
hassis
and
whic
h
can
b
e used
for measuremen
ts that
require
guarding.
A
T
our
of
the
Rear
P
anel
Figure
2-2
sho
ws
a
brief
description
of
the
4284A
's
rear
panel.
Figure 2-2. Rear Panel Overview
2-4 Overview