Introduction - AEMC 721 User Manual

These safety warnings are provided to ensure the safety of personnel and
proper operation of the instrument.
• Read this instruction manual completely before attempting to use or ser-
vice this instrument and follow all the safety information.
• Use caution on any circuit: Potentially high voltages and currents may be
present and may pose a shock hazard.
• The meter must not be operated beyond its specified operating range.
• Safety is the responsibility of the operator.
• Never open the back of the meter while connected to any circuit or input.
• Always make connections from the instrument to the circuit under test.
• Always inspect the instrument and accessory leads for serviceability prior
to use, and replace defective parts immediately.
• Do not use the meter or any test leads, BNC leads, connectors, probes or
clips if they look damaged.
• Never use the meter on electrical conductors rated above 600Vrms.
International Electrical Symbols
This symbol signifies that the instrument is protected by double or
reinforced insulation. Use only specified replacement parts when
servicing the instrument.
This symbol on the instrument indicates a WARNING and that
the operator must refer to the user manual for instructions before
operating the instrument. In this manual, the symbol preceding
instructions indicates that if the instructions are not followed, bodily
injury, installation/sample and product damage may result.
Risk of electric shock. The voltage at the parts marked with this
symbol may be dangerous.
Harmonic Meter Model 721
C
HAPTER
I
NTRODUCTION
Warning
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