Large-area body surface organic volatile matter vacuum-sealing sampling chamber
The invention discloses a device which by using negative pressure absorbing the sampling room on a object with large surface area performs the organic volatile matter survey. Its structure comprises a sampling room shell, above which an air entrance and a air collecting port is there. The lower end...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention discloses a device which by using negative pressure absorbing the sampling room on a object with large surface area performs the organic volatile matter survey. Its structure comprises a sampling room shell, above which an air entrance and a air collecting port is there. The lower end has a opening and the out cycle of the opening stretches outside forming a flange which has on it a vacuum slot and a vacuum air draining port communicating with each other. |
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