Fluke 8020A - Page 13

k. Touch the red probe tip to the mA input
connector and press the
200a switch. The
display should read 99.0 to 101.0.
1.
Press the 2
KR switch. The display should read
.099 to .101. Remove the probe from the mA
input connector.
e. Press the 20V range switch and remove the
probe from the COMMON input terminal.
m.
Simultaneously depress the 2000 KR and the 20
MR range switches. This selects the 200
nS
f.
Look inside of the battery eliminator connector
range. The display should read 00.0 to 01.0
on the right side of the
8020A and locate the
(minimum conductance, maximum resistance).
connector contacts (center post and side contact
as shown in Figure 1
- 1).
n.
Touch the red probe tip to the COMMON input
connector. An overrange indication should be
g.
Touch the red probe tip to the center post of the
displayed since conductance is the reciprocal of
battery eliminator connector. The display resistance.
should read approximately
- 6.1 (V dc)
Connect the black test lead to the COMMON
input connector.
h.
Touch the probe tip to the side contact of the
battery eliminator connector. The display p. Depress both the
AC/ DC switch and the 750V
should read approximately 2.9
(V dc). Notice ac range switch. Set the mA/V-KR switch to the
that the sum of the two readings is equal to the voltage (out) position.
battery voltage (typically,
8 to 10V dc). Remove
the probe from the battery jack.
I . Depress the lower white button (KO) and
sequentially depress each of the six range
switches. The display should read 1 as the most
significant digit with no other numbers shown.
This is the standard overrange indication.
Notice that the decimal point changes position
with the range switch settings just as it did in
step d of this procedure.
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.
q- Measure the local ac line voltage at a
convenient output receptacle. The voltage
should be displayed with 1 volt resolution.
r.
If the 8020A has responded properly to this
j.
Touch the red probe tip to the COMMON
point, it is operational and ready for use.
input terminal, and sequentially press each of
the grey buttons. The display should read zero
1-14. SPEC~F~CAT~ONS
at each range setting. Lead resistance may be
sufficient to cause a one or two tenths (0.1 or
1
- 15. Detailed specifications for the Model 8020A are
0.20) indication on the 200R range.
given in Table 1
- 2.
1 Table 1 - 2. 8020A Specifications
ELECTRICAL ..................... .The electrical specifications given assume an operating
temperature of 18°C to
28"C,humidity up to 9O0/0, and a 1 - year
calibration cycle.
FUNCTIONS
...................... .DC Volts, AC Volts, DC Current, AC Current, Resistance and
Conductance.
DC VOLTS
Ranges
......................... .f 200 mV, *2V, f 20V, f 200V, i1000V
Accuracy ....................... .+(0.25% of reading +1 digit), all ranges
................
Input Impedance
.10
Mn, all ranges
Normal Mode Rejection Ratio
.... .60 dB at 60 Hz or 60 dB at 50 Hz.
Common Mode Rejection Ratio ... .I00 dB at dc, 50 Hz and 60 Hz
Overvoltage Protection .......... .1000V dc or peak ac on all ranges