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Connection to Circuits
Before You Begin 5
5-3
Before You Begin
Carefully read and adhere to the following warning statements before you connect the
Power Analyzer.
XW Warning
To avoid possible electric shock or personal injury:
• By connecting the Power Analyzer to active circuits, the
terminals and certain parts inside the Power Analyzer
are live.
• To ensure safe operation, first connect the Power
Analyzer to the power supply.
• If possible, open the circuit before establishing a
connection to the Power Analyzer.
• Before connecting the circuits, ensure that the maximum
measuring voltage and maximum voltage to earth
ground (1000 V CATII and 600 V CATIII respectively) are
not exceeded.
• Do not use leads and accessories that do not comply
with relevant safety standards, as this could lead to
serious injury or death from electric shock.
• To avoid damage to the instrument, never apply voltage
to the current shunt inputs (lower set of input jacks,
blue).
Connecting Sequence
For safety reasons, when connecting a circuit to the Power Analyzer, proceed in the
sequence outlined as follows:
1. Connect the Power Analyzer to the mains (power) socket.
The Power Analyzer is now connected to the protective earth ground wire.
2. Switch on the Power Analyzer.
3. Connect the measuring circuit as shown in the connection diagrams later in this
Operators Manual.
To ensure that the measured values are indicated correctly, connect the phase to
HI so that the energy flow is from HI to LO.
4. Connect the circuit to the power supply.
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