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Multipoint thermostatic magnetic agitator is a laboratory instrument for liquid mixing. It is mainly used for stirring or heating at the same time to stir liquid or solid-liquid mixtures with low viscosity
Multipoint thermostatic magnetic agitator is a laboratory instrument for liquid mixing. It is mainly used for stirring or heating at the same time to stir liquid or solid-liquid mixtures with low viscosity. Its basic principle is to use the magnetic field of the same repel, opposites attract principle, using magnetic field to push the magnetic agitator placed in the container for circular movement, so as to achieve the purpose of stirring liquid. With the heating temperature control system, it can heat and control the sample temperature according to the specific experimental requirements, maintain the temperature conditions required by the experimental conditions, and ensure that the liquid mixture meets the experimental requirements.
Attention points in use of multipoint constant temperature magnetic agitator:
1. Start work with mouth: in case of failure of electric agitator, do not start work in an emergency, but inquire about the process before and after the failure and the failure phenomenon. For unfamiliar equipment, should also be familiar with the circuit principle and structure characteristics, comply with the relevant rules. Before disassembly, it is necessary to fully understand the function, position, connection mode of each electrical component and the relationship with other surrounding devices. In the absence of assembly diagram, it is necessary to make sketches and mark them while disassembling.
2. First external, then internal: check whether the equipment has obvious cracks and defects, understand its maintenance history and service life, and then check the inside of the machine. Before disassembly, the surrounding fault factors should be eliminated and the disassembly can only be conducted after the internal fault is determined. Otherwise, blind disassembly may lead to the worse repair of the equipment.
3, mechanical electrical: only in the determination of mechanical parts without fault, electrical inspection. When checking the circuit fault, the detection instrument should be used to find the fault location, and after confirming the fault without bad contact, the operation relationship between the circuit and the machine should be checked in a targeted way to avoid misjudgment.
4, first static and then dynamic: when the equipment is not powered on, judge the quality of the button, transformer, thermal relay and fuse of the electrical equipment, so as to determine the fault location. Power test, listen to its sound, measure parameters, judge the fault, zui after maintenance. If the three-phase voltage value cannot be judged when the motor is out of phase, we should listen to it and measure each relative voltage separately to judge which phase is out of phase.
5. Cleaning before maintenance: for electrical equipment with heavy pollution, clean the buttons, wiring points and contact points to check whether the external control keys are out of order. Many faults are caused by dirt and conductive dust blocks.
6. Power supply before equipment: the failure rate of the power supply takes up a high proportion in the whole failed equipment, so the maintenance of the power supply can often get twice the result with half the effort.
7. Failure before debugging: for the electrical equipment with both debugging and failure, troubleshooting should be performed before debugging, which must be carried out under the premise of the speed of electrical line.
8. General before special: the failure caused by the quality of assembly parts or other equipment failure accounts for about 50% of the common failure. The special faults of electrical equipment are mostly soft faults, which should be measured and maintained by experience and instruments.
We in the experiment of electric mixer, damage must not anxious, should be calm to deal with, through the above us accordingly at 8 processing, to determine the cause of the problem, first to suit the remedy to the case, will get twice the result with half the effort, moreover also should pay attention to when we use in our daily electric mixer, maintenance of extending the service life of the equipment as soon as possible