The following summarizes several ways to extend the life of an electronic balance :
1. Before weighing, you must clean the electronic balance with a soft brush . Then check if the balance is electronically level and check and adjust the zero point of the balance.
2. Pay special attention to the protection of the agate knife during use. The lifting and lowering hub should be slow and the electronic balance should not be violently vibrated. When picking up objects, adding and subtracting weights, and moving the game code, the balance beam must be lifted to avoid damage to the knife edge.
3. The front door of the electronic balance shall not be opened at will. It is mainly used for loading, unloading, adjustment and maintenance. During the weighing process, the object is taken and the alkali weight can only be opened to open the left and right doors of the balance. The weighing object and weight should be placed in the center of the electronic balance pan to prevent the disk from swinging. Chemical reagents and samples should not be placed directly on the pan and must be weighed in a clean container. For substances with corrosive gases or hygroscopicity, they must be weighed in a weighing bottle or a suitably closed container.
4. The pick-and-place weight must be taken with a pair of tweezers. It is strictly forbidden to take it by hand to avoid being stained. The weights are taken one by one from the big to the small on the balance pan. After the weight is used up, put it back into the weight box. When the electro-optical balance is automatically added, it should be slowly added from the big to the small one to prevent the weight from jumping and colliding.
5, always keep the weight of the wet, use a special soft brush to remove the dust that may be attached to the surface of the weight before use. The weight is only taken out of the box when it is used, and it is only allowed to be placed on the weighing pan. When not in use, it should be neatly placed in the corresponding hole in the weight box. The weight box should be covered at all times to prevent dust from falling in.
6. The data of the electronic balance weighing should be written on the record book in time, and cannot be recorded on the paper or other places.
7. After the weighing is completed, lift the balance and take out the objects and weights. The electro-optical balance should restore the index disk, cut off the power supply, close the balance door, and finally cover the dust cover.
8. The weighing object must be consistent with the temperature inside the balance box. Do not put the hot or cold object into the sky electronic weighing. In order to prevent moisture, a desiccant for moisture absorption (such as silica gel, anhydrous calcium chloride, etc.) is placed in the balance box.
9. The load of the electronic balance must not exceed the maximum load of the electronic balance. In the same experiment, the same day electronic balance and the same box weight should be used.
Below is a picture of the European Redway Electronic Balance
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