Keithley 2000 Repair Manual

AMPS fuse replacement
WARNING Make sure the instrument is disconnected from the power line and other equipment before
replacing the AMPS fuse.
1. Turn off the power and disconnect the power line and test leads.
2. From the front panel, gently push in the AMPS jack with your thumb and rotate the fuse
carrier one-quarter turn counter-clockwise. Release pressure on the jack and its internal
spring will push the fuse carrier out of the socket.
3. Remove the fuse and replace it with the same type 3A, 250V, fast blow: Keithley
part number FU-99-1.
CAUTION Do not use a fuse with a higher current rating than specified or instrument
damage may occur. If the instrument repeatedly blows fuses, locate and cor-
rect the cause of the trouble before replacing the fuse.
4. Install the new fuse by reversing the procedure.
1-4 Routine Maintenance

Keithley 2000 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Connectivity	IEEE-488 (GPIB)
Display Type	VFD