CORNING PC-400D Manuale di istruzioni - Pagina 8

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CORNING PC-400D Manuale di istruzioni
Using the External Temperature Controller (Cat. No. 6795PR) enables precision temperature control
of materials placed in vessels on top of the product.
When the External Temperature Controller is connected to the product, the closed loop
control process is extended to include temperature input from the External Temperature
Controller. The microprocessor-controlled heat, generated by the heating element, is based
upon the sensor temperature located in the tip of the External Temperature Controller
and the value set on the Heating Temperature Display. When the sensor temperature is
not within range of the value set on the display, the display will FLASH. When the sensor
temperature is within range, the value displayed will remain constantly ON.
To directly control the temperature of liquid in a vessel on the top surface, place the External
Temperature Controller into the liquid and connect the Controller to the product. The
Heating Temperature Display shows the temperature of the liquid and can be used to adjust
the temperature of the liquid.
See Section 10.0 for ordering information.
CAUTION: The top surface and the vessel used may be at substantially higher
temperatures than indicated by the setting on the Heating Temperature Display
as the controller regulates the liquid temperature inside the vessel.
7.2 Safety
The microprocessor-controlled system has built-in error routines to detect product operation
in some unfavorable conditions. The type of error routines which may be active in a product
varies depending upon the functionality of the model and the operating software version.
If an error routine is engaged, the product will typically shut down. Some error routines will
display an error code number in the left digital location of the Heating Temperature Display
when the product is shut down. For more information on error codes, contact Corning
Scientific Support at 978.442.2200.
A product shut down by an error routine must be disconnected and reconnected to mains input
before it can be used again. Please contact Corning Life Sciences or a Corning authorized repair
facility (visit www.corning.com/lifesciences) if a product does not reset from the error routine
shut down or if it continues to shut down after resetting.
CAUTION: Error routines built into these products do not substitute the need to
use these products per the specified operating conditions and according to safe
laboratory practices. There are potential failure modes in product functionality or
in the process of use that could result in uncontrolled or unexpected heating of
the top surface. Reaction plans should be developed and safety precautions put
in place based on the worse case scenario that any materials placed on the top
surface could be subjected to a continuous supply of heat, raising the material
temperature to levels in excess of 550°C.
CORNING DIGITAL HOT PLATES, STIRRING HOT PLATES, STIRRERS
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AND EXTERNAL TEMPERATURE CONTROLLER