Fluke 77 - Common Mode; Normal Mode

FUNCTION
MAXIMUM INRUT
VOLTAGE (across
input
terminals)
RE8f>ON8E
TIME
(of
digital
display
to
rated accuracy)
INPUT
IMPEDANCE
COMMON
MODE
REJECTION
RATIO
(1
kfi
unbalance)
NORMAL
MODE
REJECTION
RATIO
(digital
display
only)
1000V
dc
750V
ac rms
(sine)
<2s
>10
MO
in
parallel
with
<50
pf
(ac coupled)
>60
dB
(dc
to
60
Hz)
V-
tOOOVde
750V
ac
rms
(sine)
<1s
>10 Mn
(input
capa-
citance:
<50
pF)
>120
dB
(dc. SO
Hz.
or
60
Hz)
>60
dB
i
(50
Of 60
Hz)
300mV-
500V
dc
SOOV
sc rms
(sine)
<1s
10 MO
(input
capa-
citance:
<50
pF)
>120 dB
(dc. 50Hz,
or
60
Hz)
>60
dB
(50
or
60
Hz)
n
MAXIMUM
OVER-
LOAD
(across
input
terminals)
RE8PON8E
TIME
(of digital
display
to rated
accuracy)
OPEN
CIRCUIT
TEST
VOLTAGE
(0“C
to
50“
C)
FULL
SCALE
VOLTAGE
(0“C
to
50“C)
Up
to 3,2 Mfi
Up to
32
Mn
SOOV
dc
SOOV
ac
rms
(sine)
<is(upto
320 kn)
<2s (up to 3 2 MD)
<10s (up to
32
MD)
<3.1Vdc
(<2.8V dc typical)
<440 mV
dc
«420
mV
dc typical)
<1 4V
dc
(<1
3V
dc typical)
MAXIMUM
VOLTAGE
BETWEEN
ANY TERMINAL
AND
EARTH
GROUND
(all
functions):
1000V
dc
7S0V
ac
rms
(aina)
WISE PROTECTION
630 mA
250V FAST
1500A
INTERRUFT
RATING
15A
600V FAST
-W-'Dl)
MAXIMUM
OVEFI-
LOAD
(across
input
terminals)
TEST
CURRENT
|
Test
Current
(typical)
Vf'
SOOV
dc
0.7 mA
oov
SOOV
ac rms
(sine)
0.5
mA
0,6V
0,3 mA
1.2V
0,1 mA
2.0V
*
Baste elactrical
specifications
are
defined
over the
temperature
range from
18“C to
20
®C
tor
a
period
of one
year after
calibration
Accuracy
is specified
as
±([%
of reading)
+
[number of units in
least
significant
digit]) In
Touch
Hold, accuracy is
not
specified
for
300mV-
and
functions
when
test
circuit
impedance
exceeds 1
MO
and
A~
are
average responding,
calibrated
for
the rms
value
of sine
waves.
Useful frequency
response
(typical):
tor
32V and
320V
ranges,
-0,5
dBat i0
kHz.
for
3
2V
and
750V
ranges.
±3
dB at
5
kHz