Dust concentration tester
The utility model relates to a dust concentration tester, which comprises a matching tray, an electronic balance, a clutch, a vacuum-pumping system and a control display system, wherein, the matching tray is communicated with air. The clutch is opposite to the matching tray and connected with an air...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to a dust concentration tester, which comprises a matching tray, an electronic balance, a clutch, a vacuum-pumping system and a control display system, wherein, the matching tray is communicated with air. The clutch is opposite to the matching tray and connected with an air pump in the vacuum-pumping system. The vacuum-pumping system comprises the air pump and an effusion meter. The control display system comprises a computer and an external device and is connected with every part of the apparatus through an interface circuit. The operation of the apparatus is controlled by a computer control. The test result is automatically calculated by the computer and automatically recorded and displayed. The tester comprises sample-taking, drying and weighing processes in one apparatus, and has the advantages of accuracy and rapid measurement. |
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