The muffle furnace is a periodic operation type for laboratory, industrial and mining enterprises, scientific research units for elemental analysis and general small steel quenching, annealing, tempering and other heat treatment heating, high temperature Muff furnace can also be used for sintering, dissolution of metals, ceramics , Analysis and other high temperature heating.
Muffle furnace use:
(1) This product has a wide range of applications and can be used for weight analysis: determination of organic matter and coal ash.
(2) The heating element is installed in the inner wall to speed up the temperature rise and heat evenly.
(3) The heating element is made of a special refractory material and completely concealed in the inner wall to avoid contact with corrosive gases, vapors, etc., thereby prolonging its service life.
(4) The muffle furnace and the control part are separately set so that the electronic temperature controller can accurately grasp the temperature even under long-term operation conditions.
(5) The outer shell of the muffle furnace is double-layered, during which the circulation of air can maintain the low temperature of the surface without worrying about the occurrence of burns.
(6) The digital setting and display indicate the exact temperature.
Muffle furnace installation:
1. The muffle furnace does not require special installation. It only needs to be placed flat on the floor or on the bench. The controller shall be placed on the workbench, the inclination of the worktable shall not exceed 5 degrees. The minimum distance of the controller from the electric furnace shall not be less than 0.5 meters. The controller shall not be placed on the electric furnace so as not to affect the normal operation of the controller.
2. The power line connected to the controller and the electric furnace, the load capacity of the switch and the fuse should be slightly larger than the rated power of the electric furnace.
3. When wiring, first loosen the screws on the left and right sides of the controller housing, then turn the cover up, connect the power cord as shown in the figure, the connection between the controller and the furnace, and the thermocouple connecting wire (preferably using the compensation wire) Insert the thermocouple into the furnace from the small hole of the thermocouple fixing seat. The gap between the hole and the thermoelectric is plugged with asbestos rope and then fixed. (Note: The phase of the power supply and the neutral line cannot be reversed. For the sake of safety, the controller Both the furnace and the electric furnace must be grounded reliably.)
4. After checking the wiring is correct, you can turn on the power, first close the power switch, then pull the toggle switch on the controller panel to the open position, adjust the setting button, set the temperature to the degree you need, if Pull the setting switch to the measurement position, the red light is extinguished (NO), there is also a contact sound of the contactor, the electric furnace is energized, the current meter indicates the heating current value, and the temperature rises gradually as the temperature in the furnace rises, indicating that the work is normal.
When the temperature rises to the set desired temperature, the red light goes off (NO), the green light goes on (YES), and the electric furnace automatically shuts off and stops heating. Later, when the temperature in the furnace falls slightly, the green light goes out and the red light goes on. The electric furnace is automatically energized again and again and again to achieve the purpose of automatic control of the furnace temperature.
5. In order to check whether the damage protection device is working properly, the method is: loose one end of the thermocouple, at this time the temperature measurement indicator quickly rose to the highest point also automatically cut off the heating power, then the broken device is good, reconnect a good thermocouple After working properly.
Features:
1. The furnace is made of traditional refractory materials and has the characteristics of cost-effectiveness, long life, and easy maintenance. The integrated structure of furnace body and temperature controller is advanced and reasonable, reducing the user's tedious and dangerous installation procedures. Also has over-current, over-voltage, shell surface overheating and other protective measures.
2. The new generation of PID intelligent temperature controller has high temperature control accuracy, simple operation and easy learning.
3, safety switch: This product is equipped with open the door door power device. If the door is opened or the door is not closed tightly, the heating element will not be energized to protect the operator's safety.
4, shell over-temperature protection device: When the furnace shell temperature is too high (the furnace design is 150 °C), in order to protect the operator or prevent accidents, the electric furnace will automatically power off.
Muffle furnace use:
(1) This product has a wide range of applications and can be used for weight analysis: determination of organic matter and coal ash.
(2) The heating element is installed in the inner wall to speed up the temperature rise and heat evenly.
(3) The heating element is made of a special refractory material and completely concealed in the inner wall to avoid contact with corrosive gases, vapors, etc., thereby prolonging its service life.
(4) The muffle furnace and the control part are separately set so that the electronic temperature controller can accurately grasp the temperature even under long-term operation conditions.
(5) The outer shell of the muffle furnace is double-layered, during which the circulation of air can maintain the low temperature of the surface without worrying about the occurrence of burns.
(6) The digital setting and display indicate the exact temperature.
Muffle furnace installation:
1. The muffle furnace does not require special installation. It only needs to be placed flat on the floor or on the bench. The controller shall be placed on the workbench, the inclination of the worktable shall not exceed 5 degrees. The minimum distance of the controller from the electric furnace shall not be less than 0.5 meters. The controller shall not be placed on the electric furnace so as not to affect the normal operation of the controller.
2. The power line connected to the controller and the electric furnace, the load capacity of the switch and the fuse should be slightly larger than the rated power of the electric furnace.
3. When wiring, first loosen the screws on the left and right sides of the controller housing, then turn the cover up, connect the power cord as shown in the figure, the connection between the controller and the furnace, and the thermocouple connecting wire (preferably using the compensation wire) Insert the thermocouple into the furnace from the small hole of the thermocouple fixing seat. The gap between the hole and the thermoelectric is plugged with asbestos rope and then fixed. (Note: The phase of the power supply and the neutral line cannot be reversed. For the sake of safety, the controller Both the furnace and the electric furnace must be grounded reliably.)
4. After checking the wiring is correct, you can turn on the power, first close the power switch, then pull the toggle switch on the controller panel to the open position, adjust the setting button, set the temperature to the degree you need, if Pull the setting switch to the measurement position, the red light is extinguished (NO), there is also a contact sound of the contactor, the electric furnace is energized, the current meter indicates the heating current value, and the temperature rises gradually as the temperature in the furnace rises, indicating that the work is normal.
When the temperature rises to the set desired temperature, the red light goes off (NO), the green light goes on (YES), and the electric furnace automatically shuts off and stops heating. Later, when the temperature in the furnace falls slightly, the green light goes out and the red light goes on. The electric furnace is automatically energized again and again and again to achieve the purpose of automatic control of the furnace temperature.
5. In order to check whether the damage protection device is working properly, the method is: loose one end of the thermocouple, at this time the temperature measurement indicator quickly rose to the highest point also automatically cut off the heating power, then the broken device is good, reconnect a good thermocouple After working properly.
Features:
1. The furnace is made of traditional refractory materials and has the characteristics of cost-effectiveness, long life, and easy maintenance. The integrated structure of furnace body and temperature controller is advanced and reasonable, reducing the user's tedious and dangerous installation procedures. Also has over-current, over-voltage, shell surface overheating and other protective measures.
2. The new generation of PID intelligent temperature controller has high temperature control accuracy, simple operation and easy learning.
3, safety switch: This product is equipped with open the door door power device. If the door is opened or the door is not closed tightly, the heating element will not be energized to protect the operator's safety.
4, shell over-temperature protection device: When the furnace shell temperature is too high (the furnace design is 150 °C), in order to protect the operator or prevent accidents, the electric furnace will automatically power off.
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