Pipe-to-soil testing apparatus and methods
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United States of America Patent
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Aug 10, 2004
Grant Date -
Dec 26, 2002
app pub date -
Mar 12, 2002
filing date -
Jun 22, 2001
priority date (Note) -
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Abstract
A test point monitor is disclosed which includes, a processor, a cellular modem interfaced to the processor, and at least one analog sensor interfaced to the processor. The monitor is configured with a wake-up cycle, and further configured to periodically measure a voltage during the wake-up cycle utilizing the sensor, and further configured to transmit the measured voltage over a cellular control channel utilizing the modem.
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