Keithley 2182, Руководство по обслуживанию, Страница: 45 / 120

Introduction
The information in this section deals with routine type maintenance that can be performed by
the operator.
Line fuse replacement
WARNING
Disconnect the line cord at the rear panel, and remove all test leads and
cables connected to the instrument (front and rear) before replacing the line
fuse.
The power line fuse is accessible from the rear panel, just adjacent to the AC power receptacle
in the power module (see Figure 3-1 ).
Figure 3-1
Line fuse replacement
Model 2182
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
RS232
120
1 3 5
2 4 6
VMC
EXT TRIG
FUSE LINE
250mAT
(SB)
100 VAC
120 VAC
125mAT
(SB)
220 VAC
240 VAC
WITH ANALOG OUTPUT
GAIN SET TO 1:
± FULL SCALE READINGS
PRODUCE ± 1V OUTPUT
TRIGGER
LINK
!
LINE RATING
50, 60
400HZ
17 VA MAX
IEEE-488
(CHANGE IEEE ADDRESS
FROM FRONT PANEL)
!
!
120
240 220
100
Fuse
Spring
Window
Line Voltage Selector
Fuse Holder Assembly
ANALOG OUTPUT
1K
Ω
OUTPUT
RESISTANCE
MADE IN
U.S.A.
3-2 Routine Maintenance