Calibrating Instruments
AC/DC Voltage Calibration (5320A/VLC only) 4
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set, trip time and trip current can still be calibrated. The Calibrator measures trip current
and disconnects the output terminals after the trip time expires.
AC/DC Voltage Calibration (5320A/VLC only)
The Calibrator calibrates instruments and testers with ac and/or dc voltage measurement
functions up to 600 V. With a burden current over 150 mA at 230 V, the Calibrator also
makes a good stable power source for UUTs like appliance testers.
To perform a voltage calibration:
1. Press V.
2. If the Calibrator is not already in the desired mode (ac or dc voltage), press the
AC/DC softkey.
Note
For ac voltage, the Calibrator only generates a sinusoidal signal.
XWWarning
To avoid electric shock, ensure the Calibrator is in standby
while making connections to the HI and LO connectors. Lethal
voltages may be present on the HI and LO connectors during
voltage calibration.
3. Referring to the TERMINALS area of the display, connect the UUT to the Calibrator.
4. If necessary, set the output value using the keypad, cursor keys, or rotary knob.
5. After confirming the correct settings and connections, press O to connect the UUT
to the selected voltage.
With the voltage applied to the UUT, the voltage setting can be changed using the
cursor keys, rotary knob or keypad.
XWWarning
Whenever the output voltage is above 50 V ac or dc, the F icon
appears in the display. To avoid electric shock, ensure the
Calibrator is in standby before touching the output connectors.
6. When finished, press S to remove the voltage from the Calibrator’s teminals and
UUT.