85-1C Laboratory Constant Temperature Magnetic Stirrer is a small-capacity, heating type, stepless adjustable heating power, small structure, strong stirring force, easy to use, suitable for laboratory use in various fields

1. Place the stirrer steadily, put the beaker containing the liquid medicine in the middle of the disc (i.e., the electric furnace), put a stirring bar in the beaker, and the bottom of the beaker should be flat so as not to affect the operation of the stirrator;
2. Turn on the power switch, the power indicator light is on, slowly adjust the speed control knob clockwise, the stir bar in the beaker will stir the liquid medicine from slow to fast, you only need to adjust the required speed;
3. When the liquid medicine needs to be heated, the button switch at the back of the machine is downward, the heating indicator light is on, the electric furnace is energized and heated, and the heating power of the electric furnace is adjusted by the temperature control knob, and the scale only indicates the rotation angle;
4. If you need automatic temperature control, you can connect the two leads of the mercury thermometer (provided by the user) at the back of the machine to the two terminals behind the machine, and the thermometer is inserted into the beaker liquid medicine and fixed on the benchmark, when the heating reaches the preset temperature, the heating will be automatically stopped, and when the temperature is lower than the preset temperature, the heating will be automatically resumed (the heating indicator light is off) to achieve automatic temperature control;
Note: The electric furnace has a certain thermal inertia, that is, when it is heated to the preset temperature, the electric furnace has been powered off and the heating indicator is off, but the remaining heat will still heat the liquid to make it heat up, affecting the accuracy of temperature control.
5. After use, the power should be unplugged, and the appearance should be cleaned after cooling.
1. The power socket should be well grounded;
2. The machine should be avoided from being used in a humid environment;
3. When the machine is in use, the liquid medicine in the beaker should not be too full to prevent overflow when stirring;
4. This machine shall not be used as an electric furnace alone.
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