Open stream velocity probe and meter

Abstract From the Canadian patent

This invention pertains to a flowmeter probe for measuring the rate of fluid flow in open streams or in and from the discharge ends of pipes. The probe apparatus includes a handle and a pivoted extension and shaft on whose distal end is mounted a turbine-type flowmeter. This flowmeter is protectively carried in a housing so that the turbine blades are protected by a shroud of a thin and close fitting construction and having a curved or chamfered entranceway to guide a full flow through the shroud. The head is selectively adjusted and clamped to the handle at any point within a ninety degree arc.