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Gossen Metrawatt PROFITEST MXTRA Manual

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54 GMC-I Messtechnik GmbH
14.3 Testing Meter Start-Up with Earthing Contact Plug
– kWh Function (not SECULIFE IP)
Energy consumption meters can be tested for correct start-up
with this function.
Connection L – N
Earthing contact plug
Start Measurement
The meter is tested with the help of an internal load resistor and a
test current of approximately 250 mA. After pressing the start key,
test power is displayed and the meter can be tested for proper
start-up within a period of 5 seconds. The “RUN” pictograph is
displayed.
TN systems: All 3 phase conductors must be tested against N,
one after the other.
In other types of systems, all phase conductors (active conduc-
tors) must be tested against one another.
Note
If minimum power is not reached, the test is either not
started or aborted.
Evaluate Measured Value
The measured value has to be evaluated after measurement has
been completed:
In the event that “NOT OK” is selected, an error is indicated by the
UL/RL LED which lights up red.
The measured value cannot be saved to memory and included in
the test report until it has been evaluated.
Save Measured Value
Special Case
Start-up of energy consumption meters which are connected
between L and L or L and N can be tested with this function.
Connection L – L
2-Pole Adapter
Note
If an earthing contact outlet is not available, you can use
the 2-pole adapter. N must be contacted with the PE test
probe (L2), and then measurement must be started.
If PE is contacted with the PE test probe (L2) during the
meter start-up test, approximately 250 mA flow through
the protective conductor and any upstream RCD is
tripped.
OK
NOT OK
… 54 …


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