0-5
FOR SAFE USE
1. Preconditions for Use
This instrument is designed for mounting on an indoor instrumentation panel for use. ( except for portable
type )
International safety standards …….Out of those having an alarm output (option), the mechanical relay 'c'
contact output specifications only does not conform.
･IEC standard : Conforms to safety class I (with PROTECTIVE CONDUCTOR TERMINAL) and
IEC1010-1 (OVERVOLTAGE CATEGORYⅡ, POLLUTION DEGREE 2)
Conforms to the enclosure protective degree IEC529 (IP54) (Front part).
･CE marking (EC Directive):
EMC : Conforms to EN55011 group 1 Class A, EN50082-2 (Industrial environment)
Safety : Conforms to EN61010-1 +A2
･UL standard : UL3111-1 approved
･CSA standard (C-UL) : CSA C22.2 No. 1010 Approved
2. Labels Employed
The following labels are used for safe use.
Label Name Meaning
Alert symbol mark
Caution on handling to prevent from an electric shock accident,
injuries, and other accidents.
Protective conductor
terminal
Terminal connected to the protective conductor of power supply
equipment for preventing an electric shock accident.
3. Symbols in This Manual
The cautions to be observed for preventing the damage of this instrument and unexpected accidents are
sorted by the following symbols according to their importance degrees for enabling operators to use this
instrument safely.
Symbols Ranges of cautions
This symbol is described in the titles (items) where or
is explained.
This symbol describes the cautions for avoiding the possibilities when the user is
in danger of causing serious injuries or death due to an electric shock accident or
other accidents.
This symbol describes the cautions for avoiding the possibilities when the user is
in a danger of causing slight injuries or this instrument or peripheral units may
be damaged.
This symbol shows a caution when this instrument does not function as spedified
or when such a possibility exists.
This reference serves as a supplement for handling and operation, and it may be
convenient for users.
Reference
Warning
Caution
Remarks
Warning
Caution
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