TB 9-6625-1976-24
Table 8. High Voltage Accuracy (Transfer Level Only)
indications
Calibrator output
Test
0 (null) volts
Volts
instrument
(V)
(V)
700
1.0 kHz
1.0 kHz
4.000
700
20
Hz
20
Hz
4.000
500
10
kHz
10
kHz
0.600
700
10
kHz
10
kHz
4.000
700
50
kHz
50
kHz
1.200
12.0001
700
100
kHz
100
kHz
If out of tolerance, perform b (2) below.
1
b. Adjustments
(1) Adjust R9, LF GAIN (fig. 3) for best null indication on multimeter (R).
(2) Adjust C14, HF GAIN (fig. 3) for best null indication on multimeter (R).
18. Distortion
a. Performance Check
(1) Connect TI OUTPUT lead to audio analyzer INPUT terminal(s).
(2) Set for a 300 V, 20 Hz output. Measured distortion will be 0.1 percent.
(3) Repeat technique of (2) above for frequencies of 1, 10 and 50 kHz. Measured
distortion will be 0.1 percent.
b. Adjustments. No adjustment can be made.
19. Power Supply (Model 5215A)
a. Performance Check
NOTE
Do not perform power supply checks if all other parameters are
within tolerance.
(1) Connect multimeter between TP11 +15V and TP 19 GRD (fig. 3). If multimeter
does not indicate between 14.95 and 15.05 V, perform b below.
(2) Connect multimeter between TP 12 -15 V and TP 19 GND (fig. 3). Multimeter
will indicate between -14.65 and -15.35 V.
b. Adjustments. Adjust R82 +15V (fig. 3) for a multimeter indication between +14.95
and 15.05 V dc (R).