Power supply, Operation elements and connections, Front view – operation elements – Amprobe PQ55A Power-Analyzer User Manual

Page 7

Power Supply

The power to the unit is realized by means of a mains adapter or by six 1.5 volt
batteries.

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The mains adapter may only be connected to input voltage as indicated on
the name plate.

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Never use the batteries and the mains adapter simultaneously as the batteries
will warm up and can explode.

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Only the mains adapter shipped with the PQ55A may be connected and used.

Operation Elements and Connections

Side view – connecting fields

Connections for voltage measurement (U1, U2, U3, N)
• The 3 input ports are not galvanically isolated, they have the common refer-

ence point “N” (neutral).

• Only safety test leads with CAT III 600V ratings are to be used.

Connections for clamp adapter (I1, I2, I3, I4=N, neutral)
• The correct assignment of connections regarding voltage and current must

imperatively be observed.

Front view – operation elements

Figure: Front view – operation elements