Fluke 8505A - Operating Mode

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
100V
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