Fluke 8021B - Of Recommended

8021
B
Table
4-1.
List of
Recommended Test Equipment
INSTRUMENT
TYPE
REQUIRED
CHARACTERISTICS
RECOMMENDED
MODEL
PREFERRED
DMM
Calibrator
John Fluke
5100A
family
•
John
Fluke
Models
5100A,
5101 A, 5102A
ALTERNATE
AC
Calibrator
Voltage Range: 0 to
750V ac
Frequency Range:
100
to
450 Hz:
±0.25%
Voltage
Accuracy: 100
to 450 Hz:
±0.1%
John
Fluke Models
5 200A
and
521
5
A
DC
Calibrator
Voltage Range: 0 to 1000V
dc
Accuracy: ±0.025%
John Fluke Model
343A
DC
Current
Calibrator
Current
Range: 2 mA to
2A
Accuracy:
±0.2%
John Fluke
Model
382A
Decade
Resistor or
Individual
Resistors
Resistance
Values: 1900, 1.9 kQ, 19
kO, 190 kO,
1.9
MO, and 10
MO
Accuracy: ±0.025%
Power Rating: 3*1/8 watt
ESI
Model DB62
4-9. BACKUP
FUSE (F2)
AND CALIBRATION
ACCESS
4-
10. Use
the
following procedure to access
the 802 IB
calibration adjustments.
1. Set the
power switch
to OFF.
2.
Disconnect
the
test
leads and
the battery
eliminator, if attached.
3. Open the
battery
compartment, and
disconnect the battery.
4.
Remove the three
phillips-head
screws from the bottom
of the case.
5. Turn the
instrument face-up,
and grasp the
top cover at both
sides of the input
connectors.
Then, pull the top cover
from the unit.
6.
Backup Fuse (F2),
and all adjustments
necessary to
complete the
calibration
procedure are now
accessible (see Figure
4-1).
4-1
1 .
COMPONENT/PCB ACCESS
4-12.
Use
the following procedure to
remove the Main
PCB Assembly
from the case:
1. Complete the
calibration access
procedure.
4-2