Portable wastewater flow meter
A portable wastewater flow meter is disclosed which is 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. The flow meter functions both under free flow and submerged, open channel conditions and under full pipe, surcharged conditions. The apparatus has 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. 11 figs.
- Assignee:
- PTO; EDB-94-118810
- Patent Number(s):
- US 4896542; A
- Application Number:
- PPN: US 7-286695
- OSTI ID:
- 7163199
- Resource Relation:
- Patent File Date: 20 Dec 1988
- Country of Publication:
- United States
- Language:
- English
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