The hidden strengths of hidden projects are not separated


TV lines and strong electricity into the same box, or strong electricity, weak electricity box spacing is too small, will cause interference when used, affect the use.

Lin Jianli reminded: The current and power of strong and weak electricity are different. The two are connected in the same box, which will affect the use of weak electricity (cable television, telephone, and network), such as noises on the phone and unstable network. Pay attention to this detail when wiring, so as not to affect future use.

TV

Pipette

A pipette, also known as a pipette gun, is a device used to quantitatively transfer liquids. When conducting research in analytical testing, a small or trace amount of liquid is generally removed with a pipette. Pipettes can be divided into gas piston pipettes (Air-displacement pipette) and external piston pipettes (Positive-displacement pipette) according to the principle. Gas piston pipettes are mainly used for standard pipetting, and external piston pipettes are mainly used to handle special liquids such as volatile, corrosive and viscous. Many people ignore the correct use of pipettes and some of the details.



12 channel pipette,8 channel pipettes,8 channel pipette 1000ul

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