SC600 Option
Verification
6
6-31
Table 6-20. DC Voltage Verification at 50Ω
Calibrator
Mainframe
output
HP 3458A Rdg (V DC)
Reading x correction
Tolerance (V DC)
0 mV 0.00004 V
2.49 mV 4.623E-05 V
-2.49 mV 4.623E-05 V
9.90 mV 6.475E-05 V
-9.90 mV 6.475E-05 V
24.9 mV 0.0001023 V
-24.9 mV 0.0001023 V
109.9 mV 0.0003148 V
-109.9 mV 0.0003148 V
499 mV 0.0012875 V
-499 mV 0.0012875 V
2.19 V 0.005515 V
-2.19 V 0.005515 V
6.599 V 0.0165375 V
-6.599 V 0.0165375 V
6-47. AC Voltage Amplitude Verification
This procedure uses the following equipment:
• Hewlett-Packard 3458A Digital Multimeter
• BNC(f) to Double Banana adapter
• 50 Ω feedthrough termination
• BNC cable supplied with the SC600
• BNC cable to connect the Calibrator Mainframe TRIG OUT to the HP 3458A Ext
Trig
For AC voltage amplitude verification, refer to Figure 6-2 for the proper setup
connections.
Set the Calibrator Mainframe to SCOPE mode, with the Volt menu on the display. Then
follow these steps to verify the AC Voltage function.
6-48. Verification at 1 M
Ω
For the 1 MΩ verification, connect the Calibrator Mainframe’s SCOPE connector to the
HP 3458A input, using the cable supplied with the Calibrator Mainframe and the BNC(f)
to Double Banana adapter. Connect the Calibrator Mainframe TRIG OUT connector to
the HP 3458A Ext Trig connector located on the rear of that instrument.
Make sure the Calibrator Mainframe impedance is set to 1 MΩ. (The blue softkey under
Output @ toggles the impedance between 50 Ω and 1 MΩ.)
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