HP 3478A Technical Manual page 42

3478A 3478A
respectively. Check the respectively. Check the readings, make
within the specified limits shown in Table 4-5 within the specified limits shown in
Volts Performance Test Card. Volts Performanc e Test Card. Record the
e. e. (Step #5, 6, (Step #5, 6, and 7.) Set the and 7.) 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, 1.5V at 20KHz, and 3V at by applying 0.3V at 20KHz, 1.5V at 20KHz, and 3V at
20KHz, respectively. 20KHz, respectively. Check and rec Check and record the rea
f. f. (Step #8 and (Step #8 and 9.) Set the 9.) Set the 3478A to the 30V Ra
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 and record the readings. Check and record the readings.
g. g. (Step #10 (Step #10 and 11.) and 11.) Set the
Range. Check the 1 Range. 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. respectively. Check and rec Check and record the re
h. h. (Step #12, (Step #12, 13, 14, 13, 14, and 15.)
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 50KHz, respectively. and 300V at 50KHz, r espectively. Check and record th
readings. readings.
i. i. (Step #1 (Step #16.) Set 6.) Set the 3478A the 3478A to the
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
0.3V at 100Hz. Check and r 0.3V at 100Hz. Check and record the r
j. j. (Step #17 and (Step #17 and 18.) Set the 18.) Set the 3478A to the
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 0.3V 0.3V at at 100KHz 100KHz
respectively. Check and rec respectively. Check and record the re
k. k. (Step #1 (Step #19 and 9 and 20.) Set 20.) Set the 3478
Range. Check the Range. Check the 1/2 and 1/2 and full scale a
range by applying 15V at 100KHz and 30V at 100KHz, range by applying 15V at 100KHz and 30V at 100KHz,
respectively. Check and rec respectively. Check and record the re
I. I. (Step #21.) Set (Step #2 1.) Set the 3478A
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
300V at 100KHz. Check and rec 300V at 100KHz. Check and record the rea
m. m. (Step #22.) Set (Step # 22.) Set the 3478
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
30V at 300KHz. Check and reco 30V at 300KHz. Check and record the read
n. n. (Step #23 a (Step #23 and 24.) Set t nd 24.) Set the 3478A to the 3V Ra
Check the full scale accuracy of the range by applying Check the full scale accuracy of the range by applying
3V at 50Hz a 3V at 50Hz and then nd then 3V at
Calibrator set Calibrator set up for a up for a 3V at 20Hz
record the readings. record the readings.
o. o. (Step #25.) (Step #25.) Set the 3478A Set the 3478A to the 4 Digit Display
by pressing the blue Shift button and then the Uprange by pressing the blue Shift button and then the Uprange
(4) button. Check and re (4) button. Check and record the r
p. p. Disconnect th Disconnect the AC e AC Calibrator fro
completes the AC completes th e AC Volts Test. Volts Test.
readings, make sure they sure they are
Table 4-5 and the AC and the AC
Record the readings. readings.
3478A to the 3V Range.
ord the readings.
3478A to the 30V Range.
Set the 3478A to 3478A to the 300V
scale accuracy of the
ord the readings. adings.
and 15.) Check the full Check the full scale
Check and record the e
to the 300mV Range. 300mV Range.
ecord the reading. eading.
3478A to the 3V Range. 3V Range.
and and 3V 3V at at
ord the readings. adings.
the 3478A to t A to the 30V
full scale accuracy of ccuracy of the
ord the readings. adings.
the 3478A to the to the 300V Range. 300V Range.
ord the reading. ding.
the 3478A to A to the 30V the 30V Range.
rd the reading. ing.
he 3478A to the 3V Range.
3V at 20Hz. 20Hz. Leave the AC Leave th
3V at 20Hz output. output. Check and Check and
to the 4 Digit Display mode
cord the reading. eading.
Calibrator from the 34 m the 3478A. This
If any test fails, If any test fails, try
are
calibrating the instrument (go to calibrating the instrument (go to paragraph 4-90)
test still fails, go to this manual's Section VII for test still fails, go to this manual's Section VII for
troubleshooting. troubleshooting.
4-64. 4-64. AC
4-65. 4-65. The AC Curren
dings.
Current Test Card and in Current Test Card and in Table 4-6.
test card also corresponds to a step in the procedure test card also corresponds to a step in the procedure
nge.
with each step number shown in parenthesis in the with each step number shown in parenthesis in the
procedure. procedure.
4-66. 4-66.
(Amps) and LO INPUT Terminals. (Amps) and LO INPUT Terminals.
the 300V
of the
scale
quired test equipment for the AC quired test equipment for the AC Current Test.
AC Calibrator (Fluke Model 5200A Option 05). AC Calibrator (Fluke Model 5200A Option 05).
AC-DC Current Calibrator (Valhalla Model 2500) AC-DC Current Calibrator (Valhalla Model 2500)
4-68. 4-68.
Performance Test has been completed, before doing the Performance Test has been completed, before doing the
100KHz, 100KHz,
AC Current AC Current Test.
warmed up for at least one hour, then do the following: warmed up for at least one hour, then do the following:
he 30V
a. a. (Step #1.)
the
Shift button and then the SGL/TRIG (TEST/RESET) Shift button and then the SGL/TRIG (TEST/RESET)
button. button.
b. b.
Function and the 300mA Range. Function and the 300mA Range.
c. c. (Step #3.) Se
output. output.
Range.
d. d.
Range. Range.
nge.
e. e. Connect the
Calibrator as shown in Figure 4-5. Calibrator as shown in
e AC
f. f. Connect the Connect the 3478A to the AC-D
as shown in as shown in Figure 4-5.
mode
g. g. Check and re
h. h. (Step #4.) Set
100mA Range. 100mA Range. Check and rec
78A. This
try i. i. (Step #5. (Step #5.) Set
4-9 4-9
AC Current Current Test Test
The AC Current Test limits are t Test limits are printed on
Table 4-6. Each step on the
All test All test signals are signals are applied to
Table 4-6. Table 4-6. AC Current AC Current Test Limits
Test Test Procedure. Procedure.
Test. Also make sure t Also make sure the 3478A
(Step #1.) Reset the 3 Reset the 3478A by
(Step # (Step #2.) Set 2.) Set the 3 the 3478A to
(Step #3.) Set the AC Calibr t the AC Calibrator for a IV at
Set th Set the AC-DC e AC-DC Current Current Calibrator
Connect the AC Calibrator AC Calibrator to the
Figure 4-5.
3478A to the AC-DC Current Calibrator
Figure 4-5.
Check and record the 347 cord the 3478A's reading.
(Step #4.) Set the AC-DC Current the AC-DC Current Calibrator to the
Check and record the 3478A
) Set the 3478A the 3478A to the
TM 11-6625-3071-14 TM 11-6625-3071-14
paragraph 4-90). . If If the
printed on the AC the AC
Each step on the
applied to the 3478A the 3478A's A 's A
Test Limits
Current Test.
Make Make sure sure the the AC AC Volts Volts
he 3478A has been has been
478A by pressing the blue pressing the blue
478A to the AC the AC Current Current
ator for a IV at 5KHz 5KHz
Calibrator to th to the 10mA e 10mA
to the AC-DC Current AC-DC Current
C Current Calibrator
8A's reading.
Calibrator to the
ord the 3478A's reading. 's reading.
to the 3A Range. 3A Range. Set the Set the
the