Preface
xxii
EA IsoLink IRMS System for CNSOH Operating Manual
Thermo Scientific
Instrument Markings and Symbols
The following table explains the symbols used on Thermo Fisher Scientific instruments. Only a few of
them are used on the EA IsoLink IRMS System for CNSOH IRMS System, which are annotated with
an asterisk below.
Table 1.
Instrument Marking and Symbols
Symbol
Description
Direct current
*
Alternating current
Both direct and alternating current
Three-phase alternating current
Earth (ground) terminal
Protective conductor terminal
Frame or chassis terminal
Equipotentiality
*
On (supply)
*
Off (supply)
Equipment protected throughout by DOUBLE INSULATION or REINFORCED
INSULATION (Equivalent to Class II of IEC 536)
*
Instruction manual symbol affixed to product. Indicates that the user must refer to
the manual for specific
WARNING
or
CAUTION
information to avoid personal
injury or damage to the product.
Caution, risk of electric shock
*
Caution, hot surface
*
Caution, biohazard
In-position of a bistable push control
Out-position of a bistable push control
Jack socket
*
Symbol in compliance to the Directive 2012/19/EU on Waste Electrical and
Electronic Equipment (WEEE) placed on the European market after August, 13,
2005.
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