Voltage Test with RCD Trip
Test
During voltage tests in systems equipped
with RCD circuit breakers, a RCD switch
can be tripped at a nominal residual cur-
rent of 10mA or 30mA by measuring the
voltage between L and PE.
The RCD trips.
To avoid RCD tripping, a test has to be car-
ried out between L and N during approx. 5
seconds. Immediately afterwards, voltage
testing between L and PE can be carried
out without RCD tripping.
Continuity Test
Make sure that UUT is not live. Test
voltage polarity at handle test probe is
positive (+).
• Check that UUT is not live by carrying out
a double-pole voltage test.
• Connect both test probes with UUT. A sig-
nal sound is audible for continuity and the
LED for continuity Rx/Ω (5) is illuminated.
Maintenance
When using FLUKE T150 testers in compli-
ance with the instruction manual, no parti-
cular maintenance is required. If functional
errors occur during normal operation, stop
using it and contact your nearest authori-
zed service center.
Fluke T50
Users Manual
10
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