| 摘要 |
The present invention relates to a sample gas diluting device comprises: a gas inlet pipe for introducing sample gas; one or more orifice tubes installed in the gas inlet pipe; a first three-way valve connected to the orifice tubes; a odorless gas inlet pipe having a carbon activated filter installed in one side thereof connected to the end of the gas inlet pipe; a second three-way valve installed in the other side of the odorless gas inlet pipe; a mixed gas inlet pipe having one side connected to the second three-way valve and the other side connected to a storage bag; a discharging pipe for a tube phase test connected to the second three-way valve; a vacuum chamber having a constant space in which the storage bag is positioned; and a vacuum pump connected to the vacuum chamber. |
