Fluid level measurement apparatus for mounting in manholes and s

Details Fluid level measurement apparatus for mounting in manholes and s Fluid level measurement apparatus for mounting in manholes and s

1979-02-12

1980-05-27

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 12R, 343720, G01S 924

Patent

active

042053153

ABSTRACT:
An apparatus for automatically measuring a fluid level beneath a manhole or the like, including a depth gauge supported by a support bracket, having a seat, which clamps to the inner rim of a manhole. The depth gauge is of the reflected microwave type, including transmitting and receiving antennas which fit into the seat of the support bracket.

REFERENCES:
patent: 3727897 (1973-04-01), Bennett
patent: 4044353 (1977-08-01), Levy
patent: 4044355 (1977-08-01), Edvardsson

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