Sealing observation device for glass liquid level of platinum channel

The invention provides a sealing observation device for a glass liquid level of a platinum channel, which comprises a stirring barrel (1), the stirring barrel (1) comprises a barrel body (1c) and a barrel cover (2) which is correspondingly matched with the opening end of the barrel body (1c), the inner wall of the stirring barrel (1) is covered with a platinum layer (1b), and glass liquid (1a) is arranged in the stirring barrel (1). The stirring barrel is characterized in that a first cavity (3) and a second cavity (4) are formed in the inner wall of the barrel body (1c), a first through hole (5) and a second through hole (6) which are communicated with the inner space of the stirring barrel (1) are formed in the first cavity (3), a buoy (7) is arranged in the first cavity (3), a marker post (8) is arranged on the buoy (7), through holes (9) correspondingly matched with the marker post (8) are formed between the first cavity (3) and the second cavity (4) and in the barrel cover (2). The device is simple in st