CPC G01L 19/142 (2013.01) [E02D 33/00 (2013.01); G01L 13/00 (2013.01); G01L 19/086 (2013.01)] | 21 Claims |
1. A sub-slab monitor comprising:
a housing configured to extend through a foundation such that an upper surface of the housing is in contact with an indoor air environment and a lower surface of the housing is in contact with a sub-slab environment;
a pressure sensor contained within the housing, the pressure sensor configured to measure a differential pressure between the indoor air environment and the sub-slab environment; and
electronics contained within the housing, the electronics including
communication circuitry for communicating differential pressure data from the pressure sensor to a computer; and
a battery.
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