This 90-1B magnetic stirrer is a large-capacity single-stirring magnetic stirrer, which is driven by a brushless DC motor, with stable speed, large rotation distance, and digital display speed, strong magnetic force, strong structure, suitable for large-capacity stirring.

1. Test run: Place the 90-1B magnetic stirrer steadily, connect the power cord, plug in the power supply, turn on the power switch, the power indicator light is on, the digital display is "0000", adjust the knob clockwise, you can hear the sound of the motor in the machine from slow to fast, digital indication speed, after the test rotation is normal, adjust the speed to the lowest and shut down.
2. When using, put the container in the middle of the stirrer, and put in the stirringer, so that the stirringer is in the center, you can start the machine, adjust the knob, select the required stirring speed, and gradually accelerate or decelerate when adjusting the speed.
Note: The container needs to be made of non-ferromagnetic materials, and copper and aluminum containers should not be used as much as possible, and the bottom should be smooth and not more than 10mm thick.
1. The power supply should have reliable grounding:
2. The center of the working face of the agitator cannot withstand large pressure within 85mm;
3. The liquid medicine in the container should not be overfilled, so as not to overflow when stirring;
4. It is forbidden to put the stirrer directly on the stirrer for trial operation.
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