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INSTRUCTION MANUAL
Digital M"tttmeter
Models
172A.
173A
REPLACEABLE
PARTS
_,
FUSES (F)
"000"
SERIES
(Schematic
29145E)
(PC-Board
446)
Circuit
Mfr.
Mfr.
Keithley
Desig.
Description
Code
Desig.
Part
No.
FOOI
Slo-Blo,
1/4A,
3AG
(ll7V)
. . . L-F
313.250
FU-17
sl0-Bl0,
1/8A,
3AG
(23OV)
. . . . BUS
MDL/l/8
FU-20
"400"
SERIES
(Schematic
26758C)
F4Ol
IA,
3AG, 25OV,
Slo-Blo
. , . . . . FUS
MDL-IAMP
FU-IO
F402
IA,
3AG, 25OV,
Slo-Blo
. . . . . . FUS
~MDL-IAMP
FU-IO
F403
IA,
3AG, 25OV,
Slo-Blo
. . . . . . FUS
MDL-IAMP
FU-IO
"500"
SERIES
(Schematic
27478D)
F501
(Model
173)
3A,
25OV,
3AG, Quick.
. . . L-F
312003
FU-2
(Model
172)
2A,
25OV,
3AG, Quick.
. . . L-F
312002
FU-I3
CONNECTORS (.I)
"300"
SERIES
(Schematic
29145E)
(PC-Board
446)
Circuit
Mfr.
Mfr.
Keithley
Desig.
Description
Code
Desig.
Part
No.
5301
Socket,
Ill-Pin
DIP.
. . , . . . . T-l
cg31402
so-70
"400"
SERIES
(Schematic
26758C)
J4Ol
s-pins
. . . . . . . . . . ..MOL
2139-5
CS-287-5
J402
5-pins
. . . . . . . . . . . . . . MDL
2139-5
~~-287-5
"500"
SERIES
(Schematic
274780)
J501
5-pin
Housing.
. . . . . . . . . . ERG
20370
~5-251
J502
8-pin
Housing.
. . . . . . . . . . BRG
65039C
cs-310
J5o3
2-pin
Housing.(Model
l73A
only).
. MOL
03-06-1023
CS-326-2
--
Female
Contacts
(2 req'd
for
J503)
MOL
02-06-5103
CS-328
--
Female
Contacts
(I2
for
J5ol.
J502)BRG
47439
CS-236
7-1:
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