TB 9-6695-293-50
CALIBRATOR
OUTPUT
SIDE VIEW
HI
L0
AC SHUNT
( 10 A)
TEST INSTRUMENT
AC MEASUREMENT STANDARD
CURRENT
SIDE VIEW
OUTPUT
SIDE VIEW
HI
INPUT 1
LO
b. Enter the
ac-to-dc difference corrections for ac
shunt at
each frequency in the
Ac
measurement
Ac shunt
Calculated
Test instrument output
standard
ac-to dc
error
Error limits
Current
error display
difference
(%)
(%)
10.0 A
1.0 kHz
0.0477
10.0 A
40
Hz
0.0477
10.0 A
5
kHz
0.0988
10.0 A
10
kHz
0.3675
c. Set TI for a 10 A dc output. Adjust output adjustment control for an Error display
equal to the previously recorded calculated error for + 10 A as recorded in paragraph 20f.
d. Press NEW REF pushbutton.
e. Allow at least 30 minutes for shunt stabilization. When the reading has settled,
press SET REF soft key on ac measurement standard and set display to indicate PCT
units.
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