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Typical
Lead Connections
Voltage
and
Resistance Outputs
Screened
4-wlre
Connection.
Alternative using
Twin-axial
cable.
On
lOOV/lOOOV
Ranges,
Ground
the
Lo
line
for Safety.
4708
Terminals
Load
Terminals
Current Outputs
Simple
2-wire
Connection
Use
for the
majority
of
applications
where:
The
E-M
environment
is
'quiet*.
External
common-mode
is
insignificant.
Use
for
measurements
in
the
following
ranges:
Current
DCI
>
1mA
ACI
>
100mA
Frequency
F
< 5kHz
Local Sense
selected automatically.
Select
Local Guard.
Keep
leads as short as possible, (not longer than
1
meter
-
twisted
pair
is
preferable).
NOTE:
Refer
also to reactive
load
specifications in section
6.
4708
Terminals
Load
Terminals
Local
Guard
Local
Guard
Screened
2-wire
Connection
Use
where:
Sensitive
measurements
are
being
made.
The
E-M
environment
is
relatively 'noisy*.
External
common-mode
is
significant.
Terminals
Use
for
measurements
in
the
following
ranges:
Current
DCI
>
9|iA
ACI >
9pA
Frequency
F
< 5kHz
Local Sense
selected automatically.
Select
Local Guard.
Keep
leads as short as possible, (not
longer than
1
meter
-
Co-ax.
or
Twin-ax.
is
preferable).
Load
Terminals
4-5
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