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DC
High Voltage
Verification
Procedure
Record
results
on
Report
Sheet
4708
RS
1
(Page
7-32).
Full
Range Checks
(100V
-
1000V)
WARNING:
THE TERMINALS
MARKED
WITH THE
SYMBOL
CARRY
THE OUTPUT OF THE
4708.
THESE
TERMI-
NALS
AND ANY OTHER
CONNECTIONS TO THE LOAD
UNDER
TEST
COULD CARRY
LETHAL VOLTAGES.
UNDER
NO
CIRCUMSTANCES SHOULD USERS TOUCH
ANY OF
THE FRONT
(OR REAR)
PANEL TERMINALS
UNLESS THEY ARE
FIRST SATISFIED
THAT
NO
DAN-
GEROUS VOLTAGE
IS
PRESENT.
Note:
On
the
diagram,
the
terminals
of
the Precision
Divider
are
marked
'PHI',
'PLO',
'SHI'
and
'SLO'.
These
are
terms
which
apply
to the
Datron
4902
and 4902S,
referring to
their
Power
Hi
&
Lo
inputs,
and Sense Hi
&
Lo
pickoffs for
true
4-wire
connections (described
in their
User's
Handbook).
For
other
dividers,
it
is
important
that true
4-wire
connections
are
made
directly to the
elements of
the divider,
and
that
the divider
has
been
calibrated
at
the
connection
points.
7-5
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