Automatic temperature control preheating device for chemical instrument
An automatic temperature control preheating device for a chemical instrument comprises a front cover and a rear cover, the front cover is connected with the rear cover through a sealing ring, one side of the sealing ring is fixedly connected with the side face of the front cover, the other side of t...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | An automatic temperature control preheating device for a chemical instrument comprises a front cover and a rear cover, the front cover is connected with the rear cover through a sealing ring, one side of the sealing ring is fixedly connected with the side face of the front cover, the other side of the sealing ring is used for being connected with the rear cover, and a plurality of elastic columns are circumferentially fixed to the inner side face of the sealing ring. A sealing ring groove is formed in the side, connected with the sealing ring, of the rear cover, a containing cavity used for containing a dial plate of an instrument is formed among the front cover, the sealing ring and the rear cover, and an electric heating ring is arranged in the containing cavity. The utility model aims to provide the automatic temperature control preheating device for the chemical instrument so as to well preheat the chemical instrument before the chemical instrument is used after being installed, so that electronic devices |
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