Portable wastewater flow meter

Details Portable wastewater flow meter Portable wastewater flow meter

1988-12-20

1990-01-30

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

73215, G01F 144

Patent

active

048965421

ABSTRACT:
A portable wastewater flow meter particularly adapted for temporary use at a single location in measuring the rate of liquid flow in a circular entrance conduit of a sewer manhole both under free flow and submerged, open channel conditions and under full pipe, surcharged conditions, comprising an apparatus having a cylindrical external surface and an inner surface that constricts the flow through the apparatus in such a manner that a relationship exists between (1) the difference between the static pressure head of liquid flowing through the entrance of the apparatus and the static pressure head of liquid flowing through the constriction, and (2) the rate of liquid flow through the apparatus.

REFERENCES:
patent: 3427878 (1969-02-01), Gerlitz
patent: 4095466 (1976-06-01), Schontzler

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