CORNING PC-420D Gebrauchsanweisung - Seite 4
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Product Damage
Keep the product dry and clean.
Do not immerse the product for cleaning.
The ceramic top may break if impacted.
The maximum gross weight placed on the top surface must not exceed 25 lbs. (11 kg).
These units are not explosion- or spark-proof.
Do not heat or stir volatile or flammable materials.
Do not operate this product near volatile or flammable materials.
Do not use this product with a metal vessel.
The temperature probe must always be inside the media to close the heating control loop
and should not be operated unattended.
Corning strongly recommends to not leave the product unattended while operating.
Corning recommends to disconnect the unit when not in use.
2.0 Operating Conditions
Corning® hot plates, stirrers, and stirring hot plates, are designed to be safe when used under
the following conditions:
Indoor use.
Altitude up to 6,500 feet (2,000 meters).
Ambient temperatures of 5°C to 40°C.
Product should be placed on a flat surface at least 12 in. (30.5 cm) from walls, 48 in.
(122 cm) from ceilings, and 12 in. (30.5 cm) from other stirrers if using multiple units.
Maximum relative humidity of 80% for temperatures up to 31°C decreasing linearly to 50%
relative humidity at 40°C.
Installation Category II: Product is designed for connection to an electrical branch circuit
inside a building with main supply voltage fluctuations not exceeding ±10% of the nominal
voltage.
Pollution Degree 2: Any foreign matter that may accumulate on or within the product
during normal use is not electrically conductive.
CORNING DIGITAL HOT PLATES, STIRRING HOT PLATES, STIRRERS
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AND EXTERNAL TEMPERATURE CONTROLLER