TB 9-6625-2254-24
Table 11. dBm
Test instrument
Calibrator
indication limits
(dBm)
Voltage
Min
Max
435.59
V
50
Hz
+54.7
+55.3
77.460
V
100
Hz
+39.7
+40.3
7.7460
V
400
Hz
+19.7
+20.3
2.4495
V
600
Hz
+9.7
+10.3
.24495
V
800
Hz
-9.7
-10.3
13.774
mV
1
kHz
-34.4
-35.6
1.2276
mV
10
kHz
-55.0
-57.0
b. Adjustments. No adjustments can be made.
14. dBV
a. Performance Check
(1) Press dBV pushbutton.
(2) Connect calibrator to V/ /TEMP and LOW terminals.
(3) Select auto ranging.
(4) Adjust calibrator for 446.68 V at frequency of 50 Hz.
(5) TI will indicate within limits specified in first row of table 12.
(6) Repeat technique of (4) above for remaining dBV ranges in table 12. TI will
indicate within limits specified in table 12.
Table 12. dBV
Test instrument
Calibrator
indications
Voltage
(dBV)
Min
Max
446.68
V
50
Hz
+52.7
+53.3
25.119
V
100
Hz
+27.7
+28.3
2.5119 V
400
Hz
+7.7
+8.3
.39811 V
600
Hz
-7.7
-8.3
.12589 V
800
Hz
-17.7
-18.3
12.589 mV
1
kHz
-37.4
-38.6
1.2589 mV
10
kHz
-57
-59
b. Adjustments. No adjustments can be made.
15. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
11/(12 Blank)
