Operating Mode - Fluke 8505A Instruction Manual

8505A
DC VOLTAGE
Input Characteristics
FULL
SCALE
RESOLUTION
INPUT
RESISTANCE
RANGE
6'/
2
DIGITS
r vh
1
DIGITS*
6'/2
DIGITS
100
mV
200.0000
mV
—
100
nV
>10,000MQ
IV 2.000000V
—
1
//V
>10,000MQ
10V
20.00000V
1
/iV
10
>10,000MQ
100V
128.0000V
—
100
//V
10MQ
1000V
1200.000V
—
1
mV
10MQ
'7'/
2
-digit resolution: In
AVG
operating
mode.
Accuracy
DC
VOLTS: ±(%
of
Reading
+
Number
of
Counts)
24-HOUR
90-DAY
RANGE
23°C ±1°C'
23°
C ±5°C
OPERATING
MODE
OPERATING
MODE
NORM
AVG NORM
AVG
3
100
mV
0.0018
+
15 0.0010
+
8 0.0025
+
40 0.0020
+
8
IV
0.0008
+
7
0.0005
+
4 0.0015
+
8
0.0012
+
6
10V 0.0006 or
6*
0.0005
or
50
2 *
0.0010
+
8
0.0008
+
60
2
100
V
0.0010
+
6 0.0005
+
5 0.0018
+
8 0.0015
+
6
1000V 0.0008
+
6 0.0005
+
5 0.0018
+
8
0.0015
+
6
'Whichever
is
greater
>90-Day: 23°
C ±5°C
Add
to the
90-day
specification per
month
the following
%
of
Reading and
Number
of
Counts.
RANGE
OPERATING
MODE
NORM
AVG
3
100
mV
IV
10V
100V
1000V
0.00017
+
5.6
0.0001
+
0.1
0.0001
+
0.1
0.00013
+
0.1
0.00013
+
0.1
0.0001
+
0.1
0.0001
+
0.1
0.00008
+
I
2
0.0001
+
0.1
0.0001
+
0.1
NOTES:
'Relative to calibration standards, 4-hour
warm-up,
within
1
hour
of
dc
zero. After
software
calibration
add the following
to
the
24 hour accuracy
specification:
TIME SINCE INTERNAL
(HARDWARE) CALIBRATION
NUMBER
OF
COUNTS'
<30 Days
0
<90 Days
1
<1 Year
2
>1 Year
3
'With
6VS?-digit
display.
For
714-digits, multiply
Number
of
Counts
by
10.
2
7Vi>-digit
mode
of
operation.
3
After
4-hour
warm-up,
within
1
hour
of
dc
zero.
1-3