Fluke 8024B - Page 37

8024B
2-20
9. Depress the © function switch and the AC/DC switch. The A up arrow will
appear
in
the
display.
Sequentially
depress
each
of
the
six
range
switches.
The
display will indicate an overrange condition and the decimal point will change
position.
10. Touch the red probe tip to the COMMON input terminal, the audible tone
will sound and the Wdown arrow will appear in the display. Sequentially depress
each of the grey range switches. The display should read zero at each range setting.
Lead resistance may be sufficient to cause a one or two tenths (0.1 or 0.29)
indication on the 2000 range. Release the AC/ DC switch to silence the audio tone.
11. Touch the red probe tip to the mA ~°C input connector and press the 2000
switch. The display should read 99.0 to 101.0.
12. Press the 2 kO switch. The display should read .099 to .101. Remove the probe
from the mA -°C input connector.
13. Simultaneously depress the two range switches to select the 200 nS range. The
display should read 00.0 to 01.0 (minimum conductance, maximum resistance).
14. Touch the red probe tip to the COMMON input terminal. An overrange
indication should be displayed since conductance is the reciprocal of resistance.
15. Connect the black test lead to the COMMON input connector.
16. Depress both the AC/DC switch and the 750V ac range switch. Set the
function switch to the voltage (out) position. (Use 750V range for 230V line.)
WARNING
THE LOCAL LINE VOLTAGE IS MEASURED IN THE FOLLOWING STEP. BE
CAREFUL NOT TO TOUCH THE PROBE TIPS WITH FINGERS, OR TO
ALLOW THE PROBE TIPS TO CONTACT EACH OTHER.
17.
Measure
the
local
ac
line
voltage
at
a
convenient
output
receptacle.
18.
Set
the
PEAK
HOLD
switch
to
the
ON
position.
The
value
of
the
line
voltage
will
be
locked
on
the
display.
The
display
value
should
decay
no
faster
than
|
digit
per
second.
Set
the
PEAK
HOLD
switch
to
the
OFF
position.
19.
Remove
the
test
leads
from
the
line
power
receptacle
and
set
PEAK
HOLD
to
OFF,
function
to
DC,
PEAK
HOLD
to
ON,
and
reinsert
probes;
observe
1.41
X
ac
voltage.
(This
is
the
instantaneous
peak
of
a
single
half
wave
of
line
voltage.)
Set
PEAK
HOLD
to
OFF.
20.
Select
the
200
kQ
range
of
the
0
function
switch
(level
detector),
and
depress
the
AC/DC
switch
(to
enable
the
audible
tone).