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Muffle furnace installation
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#1 am 07.11.2018 um 10:23h
meishengchao
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Posts: 1747

After installation and use of muffle furnace, after opening the packaging, check whether muffle furnace is intact or not. The general muffle furnaces do not require special installation. They only need to be placed flat on the floor or shelf. The controller should avoid vibration, and should not be placed too close to the furnace to prevent internal components from working properly due to overheating.

A thermocouple is inserted into the furnace 20-50mm, and the gap between the hole and the thermocouple is filled with asbestos rope. The best way to connect the thermocouple to the control is to use compensating conductor (or insulated steel core wire). Pay attention to positive and negative poles, and do not connect the opposite. The power switch should be installed at the inlet of the power cord to control the total power supply. In order to ensure safe operation, the electric stove and the controller must be reliably grounded.

Before use, the thermometer indicator should be adjusted to zero. When using compensation wire and cold-end compensator, the mechanical zero should be adjusted to the reference temperature of cold-end compensator. When no compensation wire is used, the mechanical zero should be adjusted to zero-scale, but the indicated temperature is the temperature difference between the measuring point and the cold-end of thermocouple.

After the wiring is confirmed correctly, cover the controller. Adjust the setting pointer of the temperature indicator to the required working temperature, then switch on the power supply. Turn on the power switch, at this time the green light on the temperature indicator is on, the relay starts to work, the electric furnace is on, and the ammeter has the current display. With the increase of the temperature inside the furnace, the temperature indicator pointer also increases gradually, which indicates that the system works normally. The temperature rise and constant temperature of the electric furnace are indicated by the traffic light of the temperature indicator, the green light indicates the temperature rise, and the red light indicates the constant temperature.

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