A metering assembly for use in a fluid meter , the fluid meter including a primary conduit , the metering assembly comprising: a secondary conduit configured to be coupled to the primary conduit and configured to receive, when coupled to the primary conduit, a portion of a fluid stream passing through the primary conduit; a flow manager ,108) configured to be disposed in said primary conduit ; a sensor configured to generate an electrical signal in response to a flow characteristic of the portion of the fluid stream; and a processor communicatively coupled to said sensor and configured to determine a flow parameter of the fluid stream based, at least in part, on at least one of an amplitude characteristic of the electrical signal and a temporal characteristic of the electrical signal, characterized in that , when disposed in said primary conduit, the flow manager ,108) is configured to maintain a predetermined relationship between at least one first physical characteristic of the fluid stream and at least one second physical characteristic of the portion of the fluid stream; said secondary conduit further comprises a flow disrupter disposed in said secondary conduit configured to induce disturbances in the portion of the fluid stream when the portion of the fluid stream exceeds a predetermined flow rate, wherein the degree of induced disturbances causes the portion of the fluid stream to flow on one of the first flow regime and the second flow regime; the processor is configured to determine a flow parameter of the fluid stream based, at least in part, on the predetermined relationship between the at least one first physical characteristic of the fluid stream and the at least one second physical characteristic of the portion of the fluid stream; and said processor determines the flow parameter of the fluid stream based on the amplitude characteristic when the portion of the fluid stream is in a first flow regime and based on the temporal characteristic when the portion of the fluid stream is in a second flow regime. a secondary conduit configured to be coupled to the primary conduit and configured to receive, when coupled to the primary conduit, a portion of a fluid stream passing through the primary conduit; a flow manager ,108) configured to be disposed in said primary conduit ; a sensor configured to generate an electrical signal in response to a flow characteristic of the portion of the fluid stream; and a processor communicatively coupled to said sensor and configured to determine a flow parameter of the fluid stream based, at least in part, on at least one of an amplitude characteristic of the electrical signal and a temporal characteristic of the electrical signal, characterized in that , when disposed in said primary conduit, the flow manager ,108) is configured to maintain a predetermined relationship between at least one first physical characteristic of the fluid stream and at least one second physical characteristic of the portion of the fluid stream; said secondary conduit further comprises a flow disrupter disposed in said secondary conduit configured to induce disturbances in the portion of the fluid stream when the portion of the fluid stream exceeds a predetermined flow rate, wherein the degree of induced disturbances causes the portion of the fluid stream to flow on one of the first flow regime and the second flow regime; the processor is configured to determine a flow parameter of the fluid stream based, at least in part, on the predetermined relationship between the at least one first physical characteristic of the fluid stream and the at least one second physical characteristic of the portion of the fluid stream; and said processor determines the flow parameter of the fluid stream based on the amplitude characteristic when the portion of the fluid stream is in a first flow regime and based on the temporal characteristic when the portion of the fluid stream is in a second flow regime. <EOS>