In the autumn and winter seasons, we often encounter this phenomenon in our daily life: when we undress and sleep at night, we often hear the sound of squeaking in the dark, and accompanied by blue light. When we meet and shake hands, the fingers will suddenly touch each other and suddenly I feel the tingling of the fingertips, which is very shocking. When I comb my hair in the morning, my hair will often "float". The more I mess, the more I get the door handle, the faucet will be "electric shock", often issued "啪, 啪The sound of this is the static electricity that occurs in the human body.
The instrumental density meter is also the same as the human body. Static electricity is also generated in this dry environment. We can eliminate static electricity by rubbing it with alcohol before daily use.
I have received a call from the customer, reflecting that he will feel an electric shock when using the densitometer. Is the instrument broken? Of course not, this is because the dry season is now, the density meter is placed in the laboratory environment, the humidity is small, the static electricity generated. As long as the density meter is wiped with alcohol before use, the static electricity can be eliminated.
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