| 摘要 |
PURPOSE: A wireless water level control system in a water tank using a time difference is provided to simplify installation and to cut down expenses. CONSTITUTION: The wireless water level control system in a water tank using a time difference, as a wireless water level control system for transmitting and receiving the data of a water tank(1) and a tube well(7) using a wireless system, contains a low water level sensor(2a), a middle water level sensor(2b) and a critical water level sensor(2c) installed in the water tank(1) to control water level by microprocessor built in each controller of a transmitting unit(4) and a receiving unit(8) using a time difference between the low water level sensor(2a) and the middle water level sensor(2b).
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