Expiratory alcohol concentration test device for human body
A technology of breath alcohol and testing device, which is applied in the direction of analysis by chemical reaction of materials and material analysis by observing the influence on chemical indicators, which can solve the problem of difficult long-term storage, easy to be affected by temperature, and expensive. and other problems, to achieve the effect of convenient use, accurate detection and easy judgment
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Embodiment 1
[0029] Such as figure 1 Shown, a kind of human breath alcohol concentration testing device, it comprises breath sampling bag 1, one-way air valve, reagent tube 2, pipe cap 3 and two pipe body plugs 4; Wherein, described one-way air valve Including a valve cylinder 5 and a valve core 6 arranged in the valve cylinder 5, one end of the valve cylinder 5 is sealed and connected with the breath sampling bag 1, and the sealing end of the tube cap 3 is inserted in the valve cylinder 5 The other end is set corresponding to one end of the valve core 6 , and one end of the reagent tube 2 is inserted into the open end of the tube cap 3 . The one-way air valve, the pipe cap 3, and the pipe body plug 4 are made of plastic; the reagent tube 2 is preferably a glass tube; the breath sampling bag 1 can be a plastic bag with a rated volume, It is convenient to accurately detect the alcohol content of gas per unit volume. These materials are all common materials, and the production cost is low....
Embodiment 2
[0039] The difference between this embodiment and embodiment 1 mainly lies in: as figure 2 As shown, it includes two tube caps 3, and the two ends of the reagent tube 2 are respectively inserted into the opening ends of the two tube caps 3, so as to facilitate piercing the sealing layer 18.
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