OHAUS Guardian 3000 Hotplate-Stirrer Manuel D'instructions page 4

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EN-2
1. INTRODUCTION
This manual contains installation, operation and maintenance instructions for the
TM
OHAUS Guardian
before using.
1.1. Safety Information
Definition of Signal Warnings and Symbols
Safety notes are marked with signal words and warning symbols. These show
safety issues and warnings. Ignoring the safety notes may lead to personal injury,
damage to the instrument, malfunctions and false results.
WARNING For a hazardous situation with medium risk, possibly resulting in
severe injuries or death if not avoided.
CAUTION For a hazardous situation with low risk, resulting in damage to
the device or the property or in loss of data, or minor or medium
injuries if not avoided.
ATTENTION For important information about the product. May lead to
equipment damage if not avoided.
NOTE For useful information about the product.
Warning Symbols
General
hazard
Protective
conductor
terminal
Safety Precautions
WARNING! The protection provided by the unit may be impaired if used
with accessories not provided or recommended by the manufacturer, or
used in a manner not specified by the manufacturer.
•
Always operate unit on a level surface for best performance and maximum
safety.
•
DO NOT lift unit by the top plate.
•
To avoid electrical shock, completely cut off power to the unit by
disconnecting the power cord from the unit or unplugging from the wall outlet.
•
Disconnect unit from the power supply prior to maintenance and servicing.
•
Spills should be removed promptly, after the unit has cooled down.
•
Alkalis spills, hydrofluoric acid or phosphoric acid spills may damage the unit
and lead to thermal failure.
•
DO NOT immerse the unit for cleaning.
•
DO NOT operate the unit at high temperatures without a vessel/sample on the
top plate.
•
DO NOT operate the unit if it shows signs of electrical or mechanical damage.
•
Protective earthing of the equipment is achieved via connection of the
provided power cord to a compatible grounded power outlet.
3000 hotplate-stirrer. Please read the manual completely
Explosion
hazard
Alternating
current
TM
Guardian Hotplate-Stirrers
Caution, hot
surface
Electrical shock
hazard