太阳图Infusion alarm system
大骨汤面>xxx按摩Abstract
贵阳到成都多少公里>大苍蝇An infusion alarm system comprid of a housing, an upper cover attached to the housing at the top, a control circuit t in said upper cover, a battery box t inside the housing and an inner shell t between the housing and the battery box, a tension spring t in the inner shell having a hook coupled thereto at the bottom for suspending a drip infusion bottle, an adjusting key t t in the housing to adjust the tension of the tension spring. When the weight of the drip infusion bottle is reduced to a predetermined range due to reducing of infusion solution during drip infusion operation, the control circuit is triggered to produce audio and visual alarm signals through an audio and a visual alarm device respectively.
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