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SECTION
6
SPECIFICATIONS
General
POWER
SUPPLY
ENVIRONMENTAL
CONDITIONS
Voltage
100/120/220/240+10%
Operating
Temperature
0°C
to
+50"C
Line
Frequency
48Hz
to
62Hz
CAUTION
Consumption
370VA
nominal
Above 30°C
on
1
kV Range
max
output
power
is
derated.
660
VA
full
power
Storage
Temperature
-40°C
to
+70°C
Fuses 220/240V
3.15A
Maximum
Relative
Humidity
75%
at
40°C,
non
condensing
100/1
20V
6.25A
Warm-up
Time
Two
hours
to
meet
all
specifications
MECHANICAL
OPERATING
INDICATIONS
Dimensions
Height
178mm
(7*)
Width
455mm
(17.9")
Indication
Symbols
lit
on
displays
and
Depth
564mm
(22.2")
illuminated
keys
Weight
36kg
(801b)
Scale
Lengths
SAFETY
The 4708
has been designed
to
Output
Display
7.5
digits
maximum
meet
BSI 4743,
lEC 348 and
Frequency
Display
3
digits
plus store
location
UL
1244
specifications
Mode
Display
7.5
digits
maximum
PEAK TERMINAL VOLTAGES
Guard
to
Ground
920V
Lo
to
Guard
920V
Lo
to
Ground
920V
Hi
to
Guard
1556V
Hi
to
Ground
Rear
Panel
Digital
Inputs
-
1556V
to
Hi
1556V
to
Lo
920V
to
Guard
920V
to
Ground
OV
to
+5V
N.B.
Digital
Common
is
internally
connected
to
Ground
6-1
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