
Trex™ HD Monitoring Amplifier
User & Service Manual
28
Symbol
Standard
Reference
Standard Title
Symbol Title
Explanation
-
-
Quantity
Number of parts in a
package.
IEC 60417
Symbol 5172
Graphical symbols
for use on equipment
Class II equipment
Identifies equipment
meeting the safety
requirements
specified for Class II
equipment according
to IEC 61140.
IEC 60417
Symbol 5333
Graphical symbols
for use on equipment
Type BF applied part Identifies a type BF
applied part
complying with IEC
60601-1.
ISO 7000 /
IEC 60417
Symbol 5134
Graphical symbols
for use on equipment
Electrostatic
sensitive devices
Indicates packages
containing
electrostatic
sensitive devices, or
to identify a device
or a connector that
has not been tested
for immunity to
electrostatic
discharge.
IEC 60417
Symbol 5031
Graphical symbols
for use on equipment
Direct current
Indicates on the
rating plate that the
equipment is suitable
for direct current
only; to identify
relevant terminals.
IEC 60601-1,
Table D.1 #1
Medical electrical
equipment — Part 1:
General
requirements for
basic safety and
Essential
performance.
Alternating current
Indicates on the
rating plate that the
equipment is suitable
for alternating
current only; to
identify relevant
terminals.
ISO 7000 /
IEC 60417
Symbol 5019
Graphical symbols
for use on equipment
Protective earth;
protective ground
Identifies any
terminal which is
intended for
connection to an
external conductor
for protection against
electric shock in
case of a fault, or the
terminal of a
protective earth
(ground) electrode.
ISO 7000 /
IEC 60417
Symbol 5140
Graphical symbols
for use on equipment
Non-ionizing
electromagnetic
radiation
Indicates generally
elevated, potentially
hazardous, levels of
non-ionizing
radiation.