Technical data

Safety Symbols
The general definitions of safety symbols used on equipment or in manuals are listed below.
Instruction manual symbol: the product will be marked with this symbol when it is necessary
for the user to refer to the instruction manual in order to protect against damage to the
instrument.
Indicates dangerous voltage and potential for electrical shock. Do not touch terminals that
have this symbol when instrument is on.
Protective conductor terminal. For protection against electrical shock in case of a fault. Used
with field wiring terminals to indicate the terminal which must be connected to ground before
operating equipment.
Frame or chassis terminal. A connection to the frame (chassis) of the equipment which
normally includes all exposed metal structures.
Indicates earth (ground) terminal.
Alternating current.
Direct current.
ON (Supply).
OFF (Supply).
STANDBY (Supply).
Means INSTALLATION CATEGORY I. Measurement terminals on the rear panel comply with
INSTALLATION CATEGORY I.
WARNING The warning sign denotes a hazard. It calls attention to a procedure, practice, condition or the
like, which, if not correctly performed or adhered to, could result in injury or death to personal.
CAUTION The caution sign denotes a hazard. It calls attention to an operating procedure, practice,
condition or the like, which, if not correctly performed or adhered to, could result in damage to
or destruction of part or all of the product.
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