ADInstruments PowerLab/16SP, Owner'S Manual

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vi PowerLab Owner’s Guide
General Safety Instructions
• Since the PowerLab is used in conjunction with a computer
(which has much higher leakage currents) the subject must be at
least 1.83 metres (6 feet) away from any of the equipment, to
avoid contact with the computer. The Bio Amp or BP Amp cable
provides enough distance. Alternatively, an isolation transformer
can be used to supply power to both the PowerLab and the
computer.
• The PowerLab /4
SP
, PowerLab /8
SP
and PowerLab /16
SP
should
always be fitted with the recommended fuses for safe operation.
Specific information on fuse types and replacement is given in a
later chapter.
• The PowerLab /4
SP
, PowerLab /8
SP
and PowerLab /16
SP
are
classified as Class I medical equipment, which means that
protection against electric shock in the event of a fault relies on a
direct connection through the power cable to your building’s
earth conductor. The power cable supplied with your PowerLab
provides the required ground connection to the power outlet. If
your building does not have power outlet sockets with a good
ground connection, then you may use the ground connection on
the rear of the PowerLab to provide the equipotential connection
to the building’s earth conductor. A ground connection is an
essential part of this equipment’s safety. Never use the PowerLab
without a ground connection.
Safety Symbol Explanation
Every ADInstruments device designed for connection to humans,
including the Bio Amp, BP Amp, GSR Amp and Stimulus Isolator,
carries one or more of three safety symbols, as shown in Figure S–1.
These symbols appear next to those input and output connectors that
can be directly connected to human subjects.