TB 9-6625-2192-24
7. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUT(S) to minimum after each step within the
performance check where applicable.
a. Select appropriate table, from tables 4 through 13, for TI being calibrated.
Table 4. Frequency Dial Accuracy (Harris PRD, Type 587A)
Test instrument frequency
Microwave frequency counter indications (MHz)
dial settings (MHz)
Min
Max
300
298.5
301.5
400
398.0
402.0
500
499.0
501.0
600
598.8
601.2
700
698.6
701.4
800
798.4
801.6
900
898.2
901.8
1000
998.0
1002.0
Table 5. Frequency Dial Accuracy (FEL, Model WDA-940; Hewlett-Packard, Model 536A, FXR, Model N41 0;
Harris PRD, Type LS-518, and Wavetronics, Model 3301 A-90)
Microwave frequency counter indications
(GHz)
Hewlett-Packard, model 536A, FEL, model
Test instrument
FR146/U and
WDA-940 Harris PRD, Type LS-518, and
frequency
FXR, model N410
Wavetronics, model 3301A-90
dial settings
(GHz)
Min
Max
Min
Max
0.96
---
---
0.9579
0.9621
1.00
0.9990
1.0010
0.99780
1.00220
1.50
1.4985
1.5015
1.49745
1.50255
2.00
1.9980
2.0020
1.99660
2.00340
2.50
2.4975
2.5025
2.49575
2.50425
3.00
2.9970
3.0030
2.99490
3.00510
3.50
3.4965
3.5035
3.49405
3.50595
4.00
3.9960
4.0040
3.99320
4.00680
4.20
---
---
4.19286
4.20714