Abstract: An object of the present invention is to provide a safety cabinet capable of controlling the purity during usage. In order to realize the object, the safety cabinet is configured to include an operation space including an operation stage; a front panel formed in a front surface of the operation space; an operation opening provided in a lower portion of the front panel; a suction port that is provided in the vicinity of the operation opening on a front side of the operation stage to lead downward; an air circulation path through which air suctioned from the suction port flows along a lower portion, a back surface, and an upper portion of the operation space; a particle counter; an operation space-air intake port provided in the operation space to take air into the particle counter; and an introduction pipe that introduces the air into the particle counter from the operation space-air intake port.

Abstract: An object of the present invention is to provide a safety cabinet capable of controlling the purity during usage. In order to realize the object, the safety cabinet is configured to include an operation space including an operation stage; a front panel formed in a front surface of the operation space; an operation opening provided in a lower portion of the front panel; a suction port that is provided in the vicinity of the operation opening on a front side of the operation stage to lead downward; an air circulation path through which air suctioned from the suction port flows along a lower portion, a back surface, and an upper portion of the operation space; a particle counter; an operation space-air intake port provided in the operation space to take air into the particle counter; and an introduction pipe that introduces the air into the particle counter from the operation space-air intake port.

Abstract: Provided is a safety cabinet that, when multiple different kinds of pathogens or the like are handled in the same safety cabinet, can prevent previously-handled pathogens or the like from being commingled with pathogens or the like to be subsequently handled after cleaning and disinfection. The safety cabinet includes a work opening in the front face of a work space and supplies clean air to the work space from above, wherein the safety cabinet is provided with the following: a rear air inlet formed in the back surface lower part or in the bottom rear side of the work space; a front air inlet formed in the bottom front side of the work space; and a work table air inlet formed in a work surface, between the rear air inlet and the front air inlet, and parallel to the front air inlet and/or the rear air inlet.