| 摘要 |
PROBLEM TO BE SOLVED: To simultaneously attach and detach fluid connecting means and an electric connecting means by connection and disconnection of a unit. SOLUTION: In this rack incorporated gas alarm formed by attachably and detachably providing a pump unit 1, a gas sensor unit 2 in a chassis 5 via the connecting means and storing the chassis 5 in a detachable exterior case and a base 18, the fluid connecting part 33a, 33b, 22a, 22b and the electric connecting part 34 to constitute the connecting means of the pump unit 1 and the gas sensor unit 2 are arranged so that the direction perpendicular to the front surface of the exterior case is defined as the connecting and disconnecting directions and a fluid connector 60 is movably provided in the chassis 5.
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