1. When the muffle furnace is used for the first time or used again after a long-term shutdown, it must be baked. The oven time should be 200 ℃ for four hours at room temperature. 200 ℃ to 600 ℃ for four hours. During use, the maximum temperature of the furnace must not exceed the rated temperature, so as not to burn the electric heating element. It is forbidden to pour various liquids and easily soluble metals into the furnace. It is better to work in Maofu furnace below 50 ℃ below the maximum temperature.

2. The muffle furnace and controller must work in a place where the relative temperature does not exceed 85%, and there is no conductive dust, explosive gas or corrosive gas. When metal materials such as grease are required to be heated, a large amount of volatile gas will affect and corrode the surface of the electric heating element, which will destroy and shorten the life. Therefore, when heating, it should be timely prevented and properly sealed containers or appropriate openings to be eliminated.

3. The muffle furnace controller should be limited to use within the ambient temperature range of 0-40 ° C.

4. According to the technical requirements, regularly check whether the connection of each wiring of the electric furnace and the controller is good, whether the pointer of the indicator is stuck or not, and use a potentiometer to check the instrument due to magnetic steel, demagnetization, wire expansion and spring Increased error caused by fatigue, balance damage, etc.

5. Do not pull out the thermocouple suddenly at high temperature to prevent the jacket from bursting.

6. Always keep the furnace chamber clean and remove oxides and other things in the furnace in time.

Woodburning Fire Pit

Round Corten Steel Garden Firepit Corten Steel Fire Bowls is a stylish modern design with a rustic finish perfect for any outdoor space. This square patio Fire Pit is constructed with 11 Gauge Cor-Ten Steel for maximum durability.With the hot season approaching, outdoor entertainment is an option in European and North American districts. The Fireplace made from weather-resistant Corten steel ensures long lasting durability.Please note: The Corten steel fire pit is made to order and is shipped in its unweathered condition. The steel starts to weather and change color when exposed to the outdoor elements. This process of gaining a rustic look takes 4 to 8 weeks. Please allow 4 weeks for delivery from the time you place your order. They are crated and shipped via LTL freight.