TB 9-6625-2135-24
d. When indications specified in paragraphs 16 through 19 are not within tolerance,
perform power supply check prior to making adjustments. If power supply adjustments are
made, repeat paragraphs 16 through 19. Do not perform power supply check if all other
parameters are within tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
WARNING
HIGH VOLTAGE is used or exposed during the performance of
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. Remove protective cover from TI only to make adjustments and replace upon
completion.
b. Connect TI to a 115 V ac source. Press POWER ON/OFF pushbutton to ON and
allow at least 15 minutes for stabilization.
c. Press FUNCTION
V and RANGE 20 mV pushbuttons.
d. Short TI INPUT V and COM. If necessary, adjust ZERO ADJ (rear panel) for a
TI 00.000 indication. Remove short.
a. Performance Check
and COM.
(1) Connect calibrator OUTPUT HI and LO to TI INPUT V
(2) Press TI RANGE pushbuttons and set calibrator output for settings in table 7.
If TI does not indicate within limits specified, perform b below.
Test instrument
Calibrator output
Test instrument indications
RANGE pushbuttons
(V dc)
Min
Max
20 mV
0.019
18.988
mV
19.012
mV
200 mV
0.19
189.9
mV
190.1
mV
2
1.9
1.8993 V
1.9007
V
20
19
18.993
V
19.007
V
200
190
189.92
V
190.08
V
1200 V
500
499.7
V
500.3
V
1200 V
1000
999.3
V
1000.7
V