The capacitive sensor consisted of two mutual insul ating copper and foil electrodes,clinging to the external w all of infusion bottle with two insulating stretch tight balteum.

电容式液位检测由两条相互绝缘的铜箔电极构,由两条绝缘弹性锁紧带将带状紧贴在输液瓶外壁,与药液不接触,对药液性能不会产生影响。