HP 3478A Technical Manual page 50

3478A 3478A
i. i. If no pe If no performance checks are rformance checks are to be made,
the AC Calibrator from the the AC Calibrat or from the 3478A.
is now completed. is now completed.
j. j. (Step #2.) (Step #2.) If If the the performance
made, set the AC Calibrator for a .03V at 20KHz output. made, set the AC Calibrator for a .03V at 20KHz output.
Set the Set the 3478A to t 3478A to the 300mV Range. he 300mV Range. Check the reading
on the multimeter and make sure it is within the specified on the multimeter and make sure it
limits (per Table 4-10) limits (per Table 4-10). .
k. k. (Step #3.) (Step #3.) Do the same as in Do the same as in the previous step
applying .3V at 20KHz to the multimeter. applying .3V at 20KHz to the multimeter.
l. l. (Step #4, 5 (Step #4, 5, and 6.) Set the 3 , and 6.) Set the 3478A to the 3V Range
Check the 1/10, 1/2, and full scale accuracy of the range Check the 1/10, 1/2, and full scale accuracy of the range
by applying 0.3V at 20KHz, 1.SV at 20KHz, and 3V at by applying 0.3V at 20KHz, 1.SV at 20KHz, and 3V at
20KHz, respect 20KHz, respectively. ively. Check the Check the readings.
m. (Step #7 and m. (Step #7 and 8.) Set t 8.) Set the 3478A to t
Check the 1/10 and full scale accuracy of the range by Check the 1/10 and full scale accuracy of the range by
applying 3V at 20KHz and 30V at 20KHz, respectively. applying 3V at 20KHz and 30V at 20KHz, respectively.
Check the readings. Check the readings.
n. n. (Step #9 and 10.) (Step #9 and 10.) Set the
Range. Range. Check the 1 Check the 1/10 and full /10 and full scale accuracy
range by applying 30V at 20KHz and 300V at 20KHz, range by applying 30V at 20KHz and 300V at 20KHz,
respectively. Check t respectively. Check the r he readings.
o. o. (Step #11, (Step #11, 12, 13, 12, 13, and 14.)
accuracy of the 300mV, 3V, 30V, and 300V Range by accuracy of the 300mV, 3V, 30V, and 300V Range by
applying 0.3V at 50KHz, 3V at 50KHz, 30V at 50KHz, applying 0.3V at 50KHz, 3V at 50KHz, 30V at 50KHz,
and 300V at and 300V at 5OKhz, respective 5OKhz, respectively. ly. Check the
p. p. (Step #15. (Step #15.) Set ) Set the 3478A the 3478A to the 30
Table 4-10. Table 4-10. AC Volts Calibration
to be made, remove
3478A. AC Volts Calibration AC Volts Calibration
performance checks checks are are to to be
Check the reading
is within the specified
the previous step by
478A to the 3V Range. .
readings.
he 3478A to the 30V Range. he 30V Range.
Set the 3478A to 3478A to the 300V the 300V
scale accuracy of the
eadings.
and 14.) Check the full Check the full scale
Check the readings. readings.
to the 300mV Range. 0mV Range.
AC Volts Calibration and Test
remove Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
0.3V at 0.3V at 100KHz.
q. q. (Step #16 an (Step #16 and 17.) Set th
be Check the 1/10 and full scale accuracy of the range by Check the 1/10 and full scale accuracy of the range by
applying applying
respectively. Check t respectively.
r. r. (Step #18 and 19.) Set (Step #18 and 19.) Set the 3478A to the 30V Range.
Check the 1/2 and full scale accuracy of the range by Check the 1/2 and full scale accuracy of the range by
by applying 1ISV at 100KHz and 30V at 100KHz, applying 1ISV at 100KHz and 30V at 100KHz,
respectively. Check t respectively.
s. s. (Step #20.) Set (Step #20.
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
300V at 100KHz. 300V at
t. t. (Step # (Step #21.) Set
the full scale accuracy of the range by applying 30V at the full scale accuracy of the range by applying 30V at
300KHz. Check t 300KHz.
u. u. (Step #22 an (Step #22 and 23.) Set th
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
3V at 3V at 50Hz and
of the Calibrator set Calibrator set up for a
readings. readings.
v. v. (Step #24. (Step #24.) Set the
scale mode by pressing the blue Shift button and then the mode by pressing the blue Shift button and then the
Uprange (4) button. Uprange (4)
w. w. Disconnect the AC Disconnect the AC Calibrator from the
completes the AC Volts Calibration and Test. completes the AC Volts Calibration and Test.
4-17 4-17
and Test
100KHz. Check the Check the reading. reading.
d 17.) Set the 3478A to the 3V Ran e 3478A to the 3V Range.
0.3V 0.3V at at 100KHz 100KHz
Check the rea he readings. dings.
the 3478A to the 30V Range.
Check the rea he readings. dings.
) Set the 3478A the 3478A to the
100KHz. Check the Check the reading. reading.
21.) Set the3478A t the3478A to the
Check the r he reading. eading.
d 23.) Set the 3478A to the 3V Ran e 3478A to the 3V Range.
50Hz and then 3V then 3V at 20Hz. at 20Hz.
up for a 3V at 20 3V at 20Hz output
) Set the 3478A to 3478A to the 4 Digit
button. Check the r Check the reading.
Calibrator from the 3478A. This
TM 11-6625-3071-14 TM 11-6625-3071-14
ge.
and and 3V 3V at at 100KHz, 100KHz,
to the 300V Range. 300V Range.
o the 30V Range. 30V Range. Check Check
ge.
Leave the Leave the AC AC
Hz output. . Check the Check the
the 4 Digit Display Display
eading.
3478A. This