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What problems should we pay attention to when using the muffle stove?

1. When the muffle furnace is first used or is used again after a long period of suspension, the oven must be carried out. Oven drying time is usually indoor temperature 200 C for four hours. Two hundred to six hundred degrees for four hours. When in use, the highest temperature of the furnace shall not exceed the rated temperature in order to prevent the burning of electric heating elements. It is forbidden to pour all kinds of liquids and soluble metals into the furnace. The muffle furnace should work below the maximum temperature of 50 C. At this time, the filament has a long service life.
calcination furnace
2. Muffle furnaces and control panels must work in places where the relative humidity does not exceed 85% and there is no conductive dust, explosive gas or corrosive gas. When metal materials such as grease need to be heated, a large amount of volatile gases will affect and corrode the surface of electrothermal components, which will destroy and shorten their life. Therefore, when heating, it is necessary to prevent and clear the sealed containers or appropriate openings in time.
 
3. Muffle Furnace Controller should be used only in the range of indoor temperature from 0 to 40 degrees Celsius.
 
4. According to technical standards, regularly check whether the connection of electric furnace and controller is good or not, whether the pointer of indicator is stuck or not when moving, and check the error enlargement caused by the fatigue of magnet, demagnetization, wire-raising, shrapnel and balance damage with potentiometer.
 
5. The thermocouple should not be pulled out suddenly at high temperature to prevent the jacket from bursting.
 
6. Keep the furnace clean from time to time and remove oxides in the furnace on time.

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