| 摘要 |
PROBLEM TO BE SOLVED: To provide a sensor adapter which can be attached to a fire sensor and an existing sensor base and has a terminating function and allows easy modification or addition of functions.SOLUTION: A sensor adapter 40 is provided between a sensor base 50 which is attached to an installation surface 30 and to which a sensor line 3 extending from a fire receiver 1 is connected, and a fire sensor 20, and is connected to the fire sensor 20 and the sensor base 50 via a conductive terminal part 42A. The sensor adapter 40 includes an adapter body 40A and a circuit board 70 detachably attached to the adapter body 40, and the adapter body 40A includes a board housing part 44A more deeply recessed than a height of the circuit board 70 to house the circuit board 70 and locking means 43A provided in the terminal part 42A to lock the circuit board 70. |
