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HP 400D Operating And Servicing Manual page 38

Vacuum tube voltmeter

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Sect. V Page 4
cmCUIT
DESCRIPTION, MFR
REF.
CH l, 2
Rectifier, silicon diode
special � design
FI
Fuse, cartridge:
" slo-blo"
or:
Fuse, cartridge:
" sIo-blo"
I l
Lamp, incandescent: 6-8V,
. 15 amp, *47
LI
CoU, R. F. : 15,uh
MI
Meter:
Model 4000
Model 4000 (with db scale above voltage
Model 400H scales)
Mcxlel 400L
Model 400L (with voltage scales
above db scale)
PI
Cable, power
R I
Resistor:
110, 000 ohms,
R2
Resistor:
100 ohms,
R 3 , 4
Resistor:
R3
-
10. 31K ohms
R4
10.3M
-
R 5
This circuit reference
not assigned
See " LIst of Manufacturers
f
quantity used in
Total
T A B L E OF R E P L A C E A B L E P A R T S
• •
MFR. DESIGNATION
&
1 amp,
(115V operation)
0. 5 amp,
(230V operation)
Elec. Cords Co.
fixed, composition,
±
5%, 1
W
fixed, composition,
. 10%. 1/2
W
fixed, matched,
ohms
Letters For Replaceable Parts
Code
the
instrument.
� STOCK
f
NO.
2
G-29B-5
HP'
211-18
I
E '
211-20
E'
I
211-47
N'
I
CG- 48-64
1
HP'
112-6
112-76
HP'
112-66
1
HP
112-104
1
HP'
HP'
112-85
812-56
I
24-110K-5
I
B'
23-100
I
B'
4000-67
2
HP'
Table"
.

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