| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact measured data transmitter to be easily set at low costs capable of intermittently transmitting measured data for a long period, especially, a temperature data transmitter for supporting a fire alarm and a fire alarm supporting system. SOLUTION: This fire alarm supporting system 10 is provided with a measurement mode for acquiring measured data, a transmission mode for wireless transmission of the acquired measured data, and a stand-by mode for switching to the measurement mode or the transmission mode. This system is provided with a sensor tag 12 for transmitting the acquired measured data in the measurement mode and the transmission mode as a transmitter, and the sensor tag 12 is provided with a power supply part having a solar battery 32 for supplying power in the measurement mode and a battery 34 being a primary battery for mainly implementing power supply in the transmission mode.
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