HP 415E User Manual

Model 415E
Table 5-2. Performance Tests (Cont'd)
Section V
Table 5-2
Í
g. Switch 355D to 60 db and 415E to 30. 415E
Should read 1.0 db +0. 1 db.
h. Switch 355D to 40 and set 415E GAIN control
to minimum. Adjust Osciliator for 1.0 reading
on 415E meter. Switch 415E to 40 db and 355D to
60. 415E should read 1.0 20.05 db.
i. Switch 355р іо 80 db and 415E to 50. 415E
should read 1.0 db +0. 1 db.
j. Switch 355D to 100 db and 415E to 60. 415E
Should read 1.0 db «0. 1 db.
3B. EXPANDED RANGE ACCURACY:
30.05 db Accuracy on any 0 to 2 db scale:
+0.02 db
Procedure.
a. Set 415E as in steps a and b of procedure 3A
above.
b. Set355Dto 10 dband 3556 to 0 db. (See Note 1)
c. Adjust Oscillator output and 415E VERNIER
for 0 db meter reading on 0 to 2 db scale.
d. Switch355C from 0 to 4 db in 1-db steps. The
Model 415E meter reading shouldbe as given below:
Model 355C Model 415E
1 db 0.5 40,02 db.
2 db 1.0 «0.02 db
3 db 1. 5 «0.02 db
Maximum cumulative error between any two 2 db steps:
Readings
Min Act
0. 52 db
1.02 db
1.52 db
2.02 db
2.05 db
4. 05 db
6. 05 db
4 db 2.0 «0.02 db
e. Change 355C to 0, adjust 200CD for 415E
reading of 1.0 on 0 to 2 db scale. Change expand
to 2 and 355Сіо4. The Model 415E should indicate
1 db 0.05 db on 0 to 2 db scale.
1. Change 355C to 8 db and EXPAND to 4. The
415E should read 1 db 20.05 db.
g. Switch 355D to 20 db and 355C to 2 db and EX-
PAND to 6. The 415E should read 1 db +0.05 db.
h. Switch 355C to 6 db and EXPAND to 8. The
415E should read 1 db +0. 05 db.
8.05 db
4. INPUT FREQUENCY: 1000 cps, adjustable 7% (+35 cps).
Procedure.
a. Connect equipment as shown in Figure 5-1
(omit 355D and AC Voltmeter from setup).
р. Set 355C to 10 db.
с. Set 415E to LOW, ON, 0 (EXPAND), with GAIN,
FREQ, and VERNIER full clockwise.
d. Tune Oscillator to peak 415E (meter needle
to right). Record Counter reading.
e. Turn FREQ full counterclockwise.
f. Tune Oscillator topeak 415E. Record Counter
reading. The difference between the recorder fre-
quency readings of steps d andf must be at least
70 cps with 1000 cps between the two frequencies.
Readings
Min Act
1020 cps 1036
Max
980 cps
ce 4.0
Асі Асі
Diff
76
02152-3
Difference = > 70 cps

HP 415E Specifications

General

Brand	HP
Model	415E
Category	Measuring Instruments
Language	English