HP 400E, Operating And Service Manual

Page: 26 / 57

Section Y
Models 400E/400EL
DC DIFFERENTIAL
VOLTMETE R/DC STANDARD
h
p
740B
TEST OSCILLATOR
hp
651B
or
652A
r
---..:
�CJ
M ULTI-FUNTION METER
hp3450A
LIIJ D=:!
LIIJ D=:!
!l oOD=:!
hp
400ElEL
AC VOLTMETER
'-t:9
�
TO
OC OUTPUT
ON REAR
@
9
@
�
I
I
THERMAL CONVERTER
hp
I l049A
(3Vl
hPII050A (IV)
DC NULL
VOLTMETER
hp
419A
O-IOMV
REFERENCE SUPPLY r----
- �------ - �-
I
I
I
R2
RI
6500n
I 500n
I
81 +
:
1.34V T
+ R3
I
I
I !
__
�
J
�OO€fEL -c -04;'34
Figure
5-2.
Accuracy and Frequency Response Test Setup
Table 5-3. Calibration Tolerances
Frequency
I
Millivolt Range Only.
Frequency
I
Millivolt Range Only.
(Hz)
Yoltage
Meter (mY)
IX:
Output
(Hz)
Yoltage Meter (mY)
IX:
Output
Input (%
of reading) (Yolts)
Input (% of reading)
(Yolts)
10 1.00mY 1.00
±
5% 1.00
±
0.05 lOOk 1.00mY 1.00
±
1% 1.00
±
0.005
0.5mY
0.50± 7.6%
0.50
±
0.038 0.5mY 0.50
±
2% 0.50
±
0.0045
O.3mY 0.30
±
10.8% 0.30
±
0.033 O.3mY 0.30
±
3.3% 0.30 ±0.0043
40 1.00mY I.OO± 1%
]
.00
±
0.02 500k 1.00mY
1.00
±
1% 1.00
±
0.02
0.5mY 0.50
±
2% 0.50
±
0.015
0.5mY 0.50
±
2% 0.50± 0.0 15
0.3mY 0.30
±
3.3% 0.30
±
0.0 13
O.3mY 0.30
±
3.3% 0.30
±
0.013
100
1 .00mY
1.00
±
1%
1.00
±
0.005
4M 1.00mY 1.00
±
5% 1.00
±
0.05
or
0. 5mY 0.50
±
2%
0.50
±
0.0045
0.5mY 0.50
±
7.6% 0.50
±
0.038
�
400
O.3mY
0.30
±
3.3%
0.30 ± 0.0043
O.3mY
0.30 ± 10.8% 0.30
±
0.033
!
54