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The BM-ENO-RTF-161 room temperature sensor is a wireless sensor based on SEPO Dolphin technology with bidirectional communication. It is used to measure the room temperature, the ambient humidity and the supply voltage of the sensor, and their transmission. The sensor is energy self-sufficient thanks to built-in solar cell. For normal operation, it takes 4 hours a day, a lighting intensity of 150 lux, a value which is easily reached in normal residential areas. In an emergency, an internal buffer capacitor holds the power supply and maintains in maximum
of 30 hours. The key operation is disabled but the device measures and sends normal. With unfavorable mounting environment or a long absence can be optionally used a commercially available button battery (CR2032).


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