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THE WELL - WATER MEASUREMENT
SOLUTION
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(12) United
States Patent (10) Patent No.: US 6,490,919 B2
Bilinski et al. (45) Date of Patent: Dec. 10, 2002
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(57)
ABSTRACT
A well water level sensing apparatus using a pressurized air column in
contact with the water at its distal end to derive a correlated value
dependant upon the length of the air column which is converted for
retrieving stored water levels from memory and displaying the retrieved
water levels on a visual display. The water level sensing apparatus may be
manually initiated or programmatically controlled for continual monitoring. |

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