Bk-precision 4078 - Manual Manual do Utilizador Página 96

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Amplitude
setting
Minimum reading
RMS
Maximum reading RMS
DVM reading RMS
10Vp-p
3.499V
3.572V
5Vp-p
1.749V
1.786V
3Vp-p
1.049V
1.072V
1Vp-p
0.349V
0.358V
100mVp-p
34 mV
37 mV
50mVp-p
17 mV
19 mV
5. Set the unit to generate a SQUARE wave with 1KHz frequency.
6. CHECK that the measured voltages on the DVM at 10Vp-p, 5Vp-p, 3Vp-p, 1Vp-p, 100 mVp-p and
50mVp-p are in the accuracy range:
Amplitude
setting
Minimum reading
RMS
Maximum reading RMS
DVM reading RMS
10Vp-p
4.949V
5.051V
5Vp-p
2.474V
2.526V
3Vp-p
1.484V
1.516V
1Vp-p
0.494V
0.51
100mVp-p
49 mV
52 mV
50mVp-p
24 mV
26 mV
4 Set the unit to the ARBITRARY function and generate a sine wave signal:
- Press the ARB key
- Select F2 ARB
- Select F4 EDIT
- Select F3 PREDEF
- Select F2 FROM, press key 1 and ENTER
- Select F2 DATA, press key 0 and ENTER
- Select F3 LENG, press 1000 and ENTER
- Select F3 SCALE, press 100 and ENTER
- Select F4 EXEC
- Select F3 YES
- Select ARB
- Select F1 FREQ, press 1000 Hz
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