Biosafety Cabinet and Inspection Method of Exhaust Duct Connection

摘要

To provide a biosafety cabinet that issues a warning if exhaust duct connection is performed in an improper method. There is provided a biosafety cabinet which includes first air purification means for exhausting air, second air purification means for supplying purified air to an operation space, and air blowing means, in which the purified air is supplied from the second air purification means to the operation space and the air is exhausted from the first air purification means, the cabinet including: an opening connected to an exhaust duct that is provided downstream of the first air purification means; pressure detection means or air volume detection means disposed downstream of the first air purification means; a control unit controlling an operation of the air blowing means; and an alarm unit, in which the control unit determines an exhaust duct connection method based on an output of the pressure detection means or the air volume detection means and an operation state of the air blowing means, and in which if the exhaust duct connection method is improper, the alarm unit issues a warning.