1. When using the muffle furnace, it must be operated by professionals, and it is strictly forbidden for non-professionals to use it privately.
2. Before putting in the sample, make sure the sample is dry and free of combustibles or explosives.
3. Do not use combustibles near the muffle furnace to avoid fire caused by high temperatures.
4. During the heating process, the surrounding environment of the muffle furnace should be kept clean to prevent dust, fibers and other impurities from entering the furnace and affecting the heating effect.
5. When taking out the sample, wear protective gloves to prevent burns.
6. During use, if any abnormal conditions are found, such as high furnace temperature, smoke, noise, etc., it should be stopped immediately and the maintenance personnel should be contacted for inspection.
7. When using again after not being used for a long time, check whether the furnace body is dry first, and if there is moisture, it should be dried before use.
8. After use, make sure that the power supply of the muffle furnace has been turned off, and regularly carry out maintenance inspections on the muffle furnace to ensure its normal operation.