| 摘要 |
A DC powered water/moisture monitor suitable for use in combination with a Christmas tree stand to detect a low water/moisture level is provided. The alarm device set forth has application in many other fields including farmland moisture monitoring, house plant, soil moisture monitoring, water tank level monitoring inter alia. The device includes an alarm, a casing, electronic circuitry and sensors/probes/electrodes for detecting moisture/water. The unit is an integral unit and combines all of these features in a one-piece waterproof assembly. The arrangement is, therefore, portable and can be readily employed in a variety of different environments.
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