6
Blood FlowMeter
Owner’s Guide
Safety Symbols
Devices manufactured by ADInstruments that are designed for direct
connection to humans are tested to IEC 601-1:1998 (including amendments
1 and 2) and 60601-1-2, and carry one or more of the safety symbols below.
Th
ese symbols appear next to those inputs and output connectors that can be
directly connected to human subjects.
BF symbol: Body-
protected equipment
!
Warning symbol: See
Documentation
CF symbol: Cardiac-
protected equipment
Th
e three symbols are:
•
BF (body protected) symbol.
Th
is means that the input connectors
are suitable for connection to humans provided there is no direct
electrical connection to the heart.
•
CF (cardiac protected) symbol.
Th
is means that the input
connectors are suitable for connection to human subjects even when
there is direct electrical connection to the heart.
•
Warning symbol.
Th
e exclamation mark inside a triangle means
that the supplied documentation must be consulted for operating,
cautionary or safety information before using the device.
Further information is available on request.
Bio Amp Safety Instructions
Th
e Bio Amp inputs displaying any of the safety symbols are electrically
isolated from the mains supply in order to prevent current fl ow that may
otherwise result in injury to the subject. Several points must be observed for
safe operation of the Bio Amp:
•
All Bio Amp front-ends (except for the FE138 Octal Bio Amp) and all
PowerLab units with a built-in Bio Amp are supplied with a 3-lead or
5-lead Bio Amp subject cable and lead wire system. Th
e FE138 Octal
Bio Amp is supplied with unshielded lead wires (1.8 m). Bio Amps
are only safe for human connection if used with the supplied subject
cable and lead wires.
