Fluke 8505A - Error Handling and Warning Indications

8505A
the
V
DC and V AC push buttons are pressed simultan-
eously and the RMS AC Converter module is installed.
2-28.
Status
annunciators light to signify various
modes
of operation.
Annunciators
(as
defined in
parentheses)
light when any of the following modes are enabled:
Peak
(PEAK),
Scaling (SCALE), or
External Reference
(EXT),
Averaging (AVG/CAL), Offset
(OFFSET),
Autoranging (AUTO), or
V
DC/ Ohms Zero
(ZERO).
The FILTER annunciator
lights
(steadily) whenever
the
slow filter is
selected.
The
SAMPLE
annunciator flashes
at the
reading (display update) rate for sample
settings
from 0 through 7. The
flash rate for setting
0, 1
,
or 2 is very
rapid: SAMPLE appears steadily on. For sample settings
from 8
through
17,
the SAMPLE annunciator flashes
at
the sample setting 7 rate only. Since
these
higher sample
settings may
require considerable time
for a display
update,
this feature is necessary to insure that
the
operator is aware of a reading in progress. With
a
distinctive display of
HI,
LO, or
PASS, the
Limits mode
requires
no separate status annunciator.
2-29.
OVERRANGE INDICATION
2-30.
The
measurement display presents a distinct
indication when overrange inputs are detected. An input
voltage
exceeding the full
scale value for
the range
selected causes
HHHHHH
to
flash. Overrange points
for
each range
are defined in Table
2-3.
2-31.
WARNING
INDICATION
2-32. When in the Scaling,
External Reference,
Offset
or Limits mode, there may be no readily
discernible
display of the
true measurement value.
Therefore,
a single
H is flashed in the exponent display
when the voltage
is
30V or higher at either the front panel input
connections
or the rear panel
external
reference terminals.
NOTE
Flashing
indicators in
the digit or exponent
display are
a
warning
only; they have no
effect
on instrument operation.
2-33.
ERROR CODES
2-34.
Error codes offer considerable help
in identifying
improper procedures or equipment
configurations.
These
codes are
explained
in Table
2-4.
2-35.
INTERACTIVE PROGRAMMING
INFOR-
MATION
2-36.
The multimeter displays prompting messages
during STORE
and RECALL operations.
Whenever
the
STORE button is pushed, the display responds
with“7”.
The
operator
may now
designate
either the
displayed
value or keystroked numerics
as
the
programming
entry.
If
the displayed reading is being stored,
pushing the
appropriate terminator button (FILTER,
SAMPLE,
SCALING, HI OR LO
-
for LIMITS
or OFFSET)
Table
2-3.
Measurement
Ranges
FUNCTION
DECIMAL
POINT POSITION
FOR RANGE
INDICATED
EXP
OVERRANGE UNDERRANGE DIGITS
1
10 100
Ik
V DC
100 mV
-3
200
mV
—
•
-
67a
IV
2V .17V 6
Y
2
10V
20V
1.7V
6V6
100V
128V
12V 6V2
1000V
1200V
120V 6 '/a
V
AC
IV
2.5V
—
5’/a
10V
20V 1.875V
5%
100V
160V 15V
5Va
1000V
1000V 120V 5
Vi
100
fjA
-6
312.5 /iA
_
5'/a
1 mA
-3
2.5 mA 234
fjA
5
'/a
A
AC
10 mA
-3
20
mA 1.875 mA
5Vi
100 mA
-3
160 mA
15 mA
5
’/a
1 A
1.28
mA 120 mA 5
Vi
ADC
100
fjA
-6
250
//A
—
5
Vi
t mA
-3
2
mA
187
a
A
5
Vi
10 mA
-3
16 mA 1.5
mA 5
Vi
100 mA
-3
128
mA 12 mA 5
Vi
1 A
1.28A 124 mA 5
Vi
OHMS
10
200
—
5
Vi
oo
2000
180
5
'/a
IK
+3
2 kO
1800
6
Vi
10K
+3
25 kO 1.8
kO
6
Vi
100 k
+3
250
kO
18
kO
6
Vi
1M
+6
4.1 MO
180 kO 572
10M
+6 35
MO 1.8 MO
572
100M
+6
265
MO
18 MO
5
V?
2-6