Abstract: This invention pertains to flow meters and in particular to a fluid flow measuring apparatus removably mountable in a pipe. This measuring apparatus includes a bladed turbine having a localized magnet member sealed in the turbine and as the polarization of this magnet is brought in way of a magnetic pickup a pulse is actuated. This electrical signal is read either as an increase in voltage or as a transducer which reads the number of pulses to determine the rate of flow. In particular, the present flow meter incorporates a probe which in addition to carrying a bladed turbine also carries the magnetic pickup in a stem. This probe is made so as to be removed from or inserted into a conduit for placement in the midstream of a large passageway to read the flow therethrough. The improvement provided in this invention is a replaceable turbine and a mount member carrying the bladed turbine. The improvement also includes a U-shaped support mount for the bladed turbine rather than a single post.

Abstract: 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 90.degree. arc.