5320A
Users Manual
7-20
8. Compare the nominal trip time on the Calibrator display with the trip time displayed
on the UUT.
Note
When calibrating with a 1.4xI, 2xI, or 5xI setting, the UUT time interval is
limited to several hundred milliseconds. If the UUT stops the calibration
before the elapsed trip time, the Calibrator disconnects the output terminals
from the UUT and displays “Set trip time too high”.
Calibrating RCD Trip Current
The Calibrator uses the same connections for trip current calibration as trip time
calibration. To perform an RCD trip current calibration:
1. Using Figure 7-17, connect the UUT to the Calibrator’s L, PE, and N terminals.
2. Press R.
3. If RCD Trip Current does not already appear in the Output area of the display,
press the Mode softkey. Then, using the cursor keys or rotary knob, highlight Trip
Current and select it by pressing the Select softkey or pushing in on the rotary
knob.
4. On the UUT, set the following parameters:
Trip current function selected
Trip current (I
TRIP
) set
S or G type RCD not set
AC or DC sensitive testing not set
Phase polarity not set
Maximum touch voltage not set
5. On the Calibrator, make the following settings:
Nominal trip current (I
TRIP
) is set to the same value as the RCD.
Series resistance of touch voltage will be simultaneously tested. The default
series resistance is set to the minimum value.
6. Press O.
7. On the UUT, push Start.
The Calibrator measures and then displays the trip current.
8. Compare the nominal trip current with the measured trip current on the Calibrator’s
display.
Calibrating AC and DC Voltage (5320A/VLC only)
The Calibrator voltage calibration function is used to calibrate the voltmeter function on
portable appliance, insulation, and installation testers.
WX Warning
To avoid electric shock, do not touch the terminals or test leads
while performing voltage calibrations. Voltages up to 600 V are
present on the output HI and LO terminals.
To perform an AC or DC voltage calibration:
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