Keithley 150 A Instruction Manual page 15

MODELS 150A, 15OAR MICROVOLT-AMMETERS REPLACEABLE PARTS
SECTION 6.
REPLACEABLE PARTS
6-1. REPLACEABLE PARTS LIST.
The Replaceable Parts List describes the com-
ponents of the Models 150A and 15OAR Microvolt-Ammeters and their accessories.
The List gives the circuit designation,
the part description, a suggested
manufacturer,
the manufacturer's part number and the Keithley Part Number.
The name and address of the manufacturers listed in the "Mfg. Code" column
are contained in Table 2.
6-2.
HOW TO ORDER PARTS.
a. For parts orders,
include the instrument's model and serial number, the
Keithley Part Number, the circuit designation and a description of the part.
All structural parts and those parts coded for Keithley manufacture (80164)
must be ordered from Keithley Instruments, Inc.
In ordering a part not
listed in the Replaceable Parts List, completely describe the part, its
function and its location.
b.
Order parts through your nearest Keithley distributor or the Sales
Service Department, Keithley Instruments, Inc.
aP
CbVar
CerD
camp
DCb
ETB
ampere
Carbon Variable
Ceramic, Disc
composition
Deposited Carbon
Electrolytic, tubular
n Ohm
FMC
Paper, metal cased
Poly Polystyrene
P
pica (10-12)
Spec Special
w
micro (10-6)
f farad
v
volt
Var
Variable
k kilo (103)
w watt
M or meg mega (106) or megohms
ww Wirewound
m
milli (10-3)
WWVar Wirewound Variable
Mfg.
Manufacturer
MtF Metal Film
Mil. No.
Military Type Number
rs
Mylar
TABLE 1.
Abbreviations and Symbols.
0764R
6-l