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1. INTRODUCTION
This manual contains installation, operation and maintenance instructions for the VWR Professional Series. Please
read the manual completely before using.
1.1. Safety Information
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
Safety Precautions
WARNING! DO NOT use the Hotplate-Stirrer in explosive atmospheres or with materials that could
cause a hazardous environment from processing. Keep in mind the material flash point relative to the
target temperature that has been set. Also, the user should be aware that the protection provided by the
equipment may be impaired if used with accessories not provided by the manufacturer.
Always operate unit on a level surface for best performance and maximum safety.
DO NOT lift unit by the top plate.
CAUTION! To avoid electrical shock, completely cut off power to the unit by disconnecting the power
cord 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. DO NOT immerse the unit for
cleaning. Alkalis spills, hydrofluoric acid or phosphoric acid spills may damage the unit and lead to
thermal failure.
CAUTION! The top plate can reach 500°C, DO NOT touch the heated surface. Use caution at all times.
Keep the unit away from explosive vapors and clear of papers, drapery, and other flammable materials.
Keep the power cord away from the heater plate.
DO NOT operate the unit at high temperatures without a vessel/sample on the top plate.
DO NOT operate the unit if it shows sign of electrical or mechanical damage.
WARNING! Units are NOT explosion proof. Use caution when heating volatile materials.
Earth Ground – Protective Conductor Terminal. Protective earthing of the equipment is achieved via
connection of the provided power cord to a compatible grounded power outlet.
Alternating Current
1.2. Intended Use
The VWR Hotplate-Stirrers are intended for general laboratory use. Safety cannot be guaranteed if used outside of
the intended use.
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vwr.com I Instruction Manual VWR
Caution, hot
surface
®
Professional Hotplate-Stirrers
Electrical shock
hazard
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