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Safe use of hot air circulation oven and four points of attention

Sources : | Release date : 2017-02-22 | View :
Keywords : 安全使用热风循环烘箱及四个注意要点
Hot air circulation oven is made of angle steel, stainless steel plate and cold steel plate. Insulation layer is filled with high density aluminum silicate cotton, high density aluminum silicate cotton to ensure the insulation of the oven, but also to ensure the safety of the user. The heater mounting position may be at the bottom, top or sides. Use digital display to control the temperature of the instrument. Hot air circulation oven duct design there are two: horizontal air supply and vertical air supply!
Features: The shell is made of high quality cold rolled steel, the surface of the electrostatic spray process, the appearance of new, durable. The studio is made of high quality stainless steel or cold rolled steel plate, with high temperature, corrosion resistance, no black smoke and so on. Activities of the pull-type grid, an increase of storage materials inside the box room door with double-layer tempered glass observation window, you can always observe the work room was heated items. The hot air circulation oven is a device that uses a heating wire compartment to heat the object to dry.
It is suitable for baking, drying and heat treatment in the range of 5 ~ 300 ℃ (some 200 ℃ high) than the room temperature. The sensitivity is usually ± 1 ℃. It is a lot of models, but the basic structure is similar, generally by the box, electric system and automatic temperature control system composed of three parts. Its use and precautions are summarized as follows:
1. Hot air circulation oven must be placed in the indoor dry and horizontal, to prevent vibration, corrosion.
2. Safe electricity should pay attention to, according to the hot air circulation oven power consumption to install a sufficient capacity of the power knife. Select enough power conductors and should have a good grounding wire.
3. With electrical contact mercury thermometer thermostat should be electrical contact thermometer two wires were connected to the top of the box on the two terminals. Also insert an ordinary mercury thermometer into the exhaust valve (the thermometer in the exhaust valve is used to calibrate the electrical contact mercury thermometer and observe the actual temperature in the box) to open the exhaust valve hole. Adjust the electrical contact mercury thermometer to the required temperature after tightening the screws on the steel cap to achieve the purpose of constant temperature. But must be careful not to adjust the instructions when the iron rotation to the scale outside the scale.
4. When everything is ready for work, place the sample in the hot air circulation oven and connect and turn on the power. The red indicator light indicates that the box has been heated. When the temperature reaches the temperature controlled, the red light goes off and the green light is on and the temperature starts. In order to prevent temperature control failure, must also take care.
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