The influence of temperature should be paid attention to when selecting multipoint magnetic agitator agitator
Compared with ordinary agitator, multi-point magnetic agitator has the following advantages:
1. Multi-point magnetic agitator is made of ptfe and magnetic steel, which is resistant to high temperature, wear resistance, chemical corrosion and strong magnetism.
2, can be mixed in a closed container, use is very ideal and convenient;
3, can set the temperature and temperature display, can be used for long-term heating, intuitive and accurate digital display;
4. The multi-point magnetic agitator adopts dc motor, with low noise and stable speed regulation. The fully enclosed heating plate can be used for auxiliary heating, and can be used for long-term heating.
The selection of agitators for multi-point magnetic agitators will bring great help to the later use of the equipment. The following principles should be followed in the selection process:
1. Shape of agitator: generally speaking, the smaller the contact area between the agitator and the bottom of the container, the better, because the friction between the agitator and the container is small, but the agitator itself is required to have a high balance; Large contact area is good for stability, so the two should be considered in balance.
2. The relationship between the amount of solution and the length of agitator: small capacity with small agitator, large capacity with large agitator.
3. Shape of the bottom of the container: the rounded bottom of the container has convergence effect on the small agitator, making it more stable in rotation; The flat bottom container oil bath has no such effect, so the small agitator is prone to revolution at the same time of its autobiography.
4. Influence of high temperature on agitators: the agitators commonly used at present will gradually demagnetize at high temperature, so it is necessary to confirm whether they have enough magnetism after a period of time.
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