346B User Manual Publication No. 980956 Rev. A
Performance Test Procedure 3-2
Astronics Test Systems
Test Procedures
1. Select segment #2 by performing the following keystroke sequence,
and
2. Observe DC mode, DC units, 00000.0 Hz, 9999 mV.
3. Connect the DC voltmeter to the MILLIVOLT OUTPUT BNC Connector.
4. Observe 9999 ±70 mV indication on the DC voltmeter.
5. Select segment #3, by using the keystroke sequence,
and
.
6. Observe DC DC 00000.0 Hz, -999.9 mV with an indication of -999.9 ±7.0 mV on
the DC voltmeter.
7. Select segment #4 by the method used in Step #5 and observe DC DC,
00000.0 Hz, 99.99 mV with an indication of 99.99 ±0.70 mV on the DC voltmeter.
8. Select segment #5 and observe DC DC, 00000.0 Hz, 9.999 mV with an indication
of 9.999 ±0.07 mV on the DC voltmeter.
9. Connect a frequency counter to the SQUARE WAVE OUTPUT, and a true rms AC
voltmeter to the MILLIVOLT OUTPUT.
10. Select segment #6. Observe SIN RMS, 00100.0 Hz, 9999 mV with an indication
of 9999 ±70 mV rms on the AC voltmeter.
11. Select segment #7. Observe SIN RMS, 99,999.9 Hz, 9999 mV with an indication
of 99,999.9 ±2.0 Hz on the frequency counter, and 9999 ±120 mV rms indication
on the AC voltmeter.
12. Select segment #8. Observe, SIN RMS, 10,000.0 Hz, 9999 mV with indication of
10,000 ±0.2 Hz on the frequency counter and 9999 ±120 mV rms on the AC
voltmeter.
13. Select segment #9. Observe, SIN PK, 01000.0 Hz, 9999 mV with an indication of
7070 ±50.0 mV rms on the AC voltmeter.
14. Select segment #10. Observe SIN PK-PK mode, 01000.0 Hz, 9999 mV with an
indication of 3535 ±25 mV rms on the AC voltmeter.
15. Select segment #11. Observe SQ PK-PK, 01000.0 Hz, 9999 mV, with an
indication of 5000 ±115 mV rms on the AC TRMS voltmeter or 5550 ±115 mV rms
on the AC AVERAGING voltmeter.
16. Select segment #12. Observe TRI PK-PK, 01000.0 Hz, 3464 mV with an
indication of 1000 ±23 mV on the AC TRMS voltmeter, and 970 ±23 mV on the AC
AVERAGING voltmeter.
17. Connect an oscilloscope to the MILLIVOLT OUTPUT.
18. Select segment #6 and observe a clean sine wave with no distortion.
19. Press START/STOP and observe the waveforms as they appear. The intervals
are set for 5 seconds and will stop at segment #12.
