Fluke 5520A Service Manual page 246

5520A
Service Manual
4. Program the Calibrator Mainframe to output the wave type and voltage listed in
5. Allow the 5790A reading to stabilize, then record the 5790A rms reading for each
6. Multiply the rms reading by the conversion factor listed to convert it to the peak-to-
7. Multiply the peak-to-peak value by (0.5 * (50 + Rload) / Rload), where Rload = the
Calibrator
Mainframe
Wave Type
square
square
square
square
square
square
square
sine
sine
sine
sine
sine
sine
sine
triangle
triangle
triangle
triangle
triangle
triangle
triangle
6-106
Table 6-59.
wave type and voltage in Table 6-59.
peak value.
actual feedthrough termination resistance, to correct for the resistance error.
Compare result to the tolerance column.
Table 6-58. Wave Generator Verification at 1 M
Calibrator
5790A
Mainframe
Reading
output
(V rms)
(@ 10 kHz)
5.0 mV
20.0 mV
89 mV
219 mV
890 mV
6.5 V
55 V
5.0 mV
20.0 mV
89 mV
219 mV
890 mV
6.5 V
55 V
5.0 mV
20.0 mV
89 mV
219 mV
890 mV
6.5 V
55 V
5790A Reading x
Conversion
Conversion Factor
Factor
(V p-p)
2.0000
2.0000
2.0000
2.0000
2.0000
2.0000
2.0000
2.8284
2.8284
2.8284
2.8284
2.8284
2.8284
2.8284
3.4641
3.4641
3.4641
3.4641
3.4641
3.4641
3.4641
Tolerance
(V p-p)
250.00 V
700.00 V
2.770 mV
6.670 mV
26.8 mV
195.1 mV
1.65 V
250.00 V
700.00 V
2.770 mV
6.670 mV
26.8 mV
195.1 mV
1.65 V
250.00 V
700.00 V
2.770 mV
6.670 mV
26.8 mV
195.1 mV
1.65 V