Kyoritsu Electrical Instruments Works KEW 4506, Инструкция по эксплуатации

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Note
● Check the wiring diagram before making connections and
identify the branch circuit breaker to which 3P outlet is wired,
and then connect the injection clamp close to the outlet to be
tested.
Depending on the orientation of the test voltage injection clamp,
as explained with Fig. 6-5 at the previous clause, KEW 4506
may judge as [NE Reverse] even if the outlet is correctly wired
as shown in Fig. 6-15 (outlet wired to branch circuit breaker [B]).
Connect the test voltage injection clamp to the appropriate
neutral wire (N) of the branch circuit breaker with the correct
orientation and location.
Other branch circuit
breakers [NE Reverse]
Branch circuit breaker [B] Branch circuit breaker [A]
[correct]
Power supply
[NE Reverse]
Fig. 6-15