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On the scale of the standard weight, the value of the measured quantity represented by the minimum grid is called the division value, which is also called the engraved Bai degree value (minimum scale value). Division value is the meaning of unit scale....
(1) There is a stable worktable in the balance room, and the worktable that can place the electronic balance should avoid vibration, air flow and sunlight, and make the level of the balance bubble to the middle position; And electronic day The flat r....
There are many types of pipettes on the market, mainly divided into manual pipettes and electric pipettes. Manual pipettes are mostly used. However, there are many modes of pipettes, and the modes of pipettes are different Then its functions are diff....
First of all, it is necessary to determine whether it is caused by the problems of fuse (use. Power switch, power line and voltage switching switch), and check whether there is AC in the transformer Voltage input and AC output.....