| 摘要 |
A portable bin full indicator is disclosed comprising a sensor operable to send a signal when the level of particulate material in a bin reaches the level of the sensor; means to temporarily secure the sensor in a top portion of the bin; an alarm operatively connected to the sensor such that it is activated by the signal; and a battery to supply electrical power to the sensor and alarm. An extensible handle is provided to allow insertion into a bin by an operator standing on the ground, and also an adjustable hook is provided that may be configured for various bins.
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