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E444xAU Option H37
Instrument Markings
!
Installation Guide
When you see this symbol on your instrument, you should refer to
the instrument's instruction manual for important information.
This symbol indicates hazardous voltages.
The laser radiation symbol is marked on products that have a
laser output.
This symbol indicates that the instrument requires alternating
current (ac) input.
The CE mark is a registered trademark of the European
Community. If it is accompanied by a year, it indicates the year the
design was proven.
The CSA mark is a registered trademark of the Canadian
Standards Association.
This text indicates that the instrument is an Industrial Scientific
and Medical Group 1 Class A product (CISPR 11, Clause 4).
This symbol indicates that the power line switch is ON.
This symbol indicates that the power line switch is OFF or in
STANDBY position.
This symbol indicates the product meets the Australian
Standards.
Safety Earth Ground. This is a Safety Class I
with a protective earthing terminal). An uninterruptible
safety earth ground must be provided from the main power
source to the product input wiring terminals, power cord, or
supplied power cord set. Whenever it is likely that the
protection has been impaired, the product must be made
inoperative and secured against any unintended operation.
General Information
Instrument Markings
product (provided
17
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