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Symbols on Instruments
Indicates warning or caution. If you see this
symbol on a product, you must refer to the
manuals for specific Warning or Caution
information to avoid personal injury or damage
to the product.
C-Tick Conformity Mark of the Australian ACA
for EMC compliance.
The CSA mark is a registered trademark of the
CSA International. This instrument complies
with Canada: CSA 22.2 No. 61010-1 -04.
Indicates that protective earthing ground is
incorporated in the power cord.
This symbol indicates that internal circuits can
be damaged by electrostatic discharge (ESD),
therefore, avoid applying static discharges to
the panel input connectors.
This mark indicates compliance with the
Canadian EMC regulations.
ISM 1-A
This text denotes the instrument is an
Industrial Scientific and Medical Group 1 Class
A product.
CE Marking to state compliance within the
European Community: This product is in
conformity with the relevant European
Directives: EMC Directive 2004/108/EC and
Low Voltage Directive 2006/95/EC.
China RoHS regulations include requirements
related to packaging, and require compliance
to China standard GB18455-2001. This symbol
indicates compliance with the China RoHS
regulations for paper/fiberboard packaging.
Indicates the time period during which no
hazardous or toxic substance elements are
expected to leak or deteriorate during normal
use. Forty years is the expected useful life of
the product.
The Korean Certification (KC) mark is required
for products that are subject to legally
compulsory certification.
The KC mark includes the marking’s identifier
code that has up to 26 digits and follows this
format: KCC-VWX-YYY-ZZZZZZZZZZZZZ.
This symbol indicates that the instrument
requires alternating current (AC) input.
This symbol indicates that the power line
switch is in the ON position.
This symbol indicates that the power line
switch is in the OFF position.
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