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Furnaces / Muffles

Read all about your Furnace/muffle Options

Construction,  Voltage, Phase  Termination,  Mounting,  Sensing.

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Temperature Sensing Options

No temperature sensing

The furnace/muffle can be controlled on a percentage time basis. Most furnace/muffle applications require a controlled atmosphere that will not permit a percentage time-based means of control.

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Theromowell
Internal temperature sensing

The temperature is usually sensed by a thermocouple that extends into the furnace/muffle chamber. The internal furnace/muffle temperature is sensed and controlled by a temperature controller (not included.)

Theromowell

Heating element temperature sensing

A third approach is to sense the heating element temperature by placing a quartz thermowell next to the coil. A thermocouple is also placed inside the thermowell to establish a reliable mechanism for temperature control. Although sensing coil temperature is often not needed, it has the advantage of providing a reference temperature for controlling the process temperature.

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