Importance

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Abstract

A system of a plurality of ultrasonic consumption meters 100 each arranged in a utility network 1 for measuring consumption data of a utility in terms of a supplied fluid, the utility network 1 further comprising a data collector 2 for collecting the consumption data is provided, wherein: Each of the ultrasonic consumption meters 100 are arranged to measure a flow rate of the supplied fluid and a pressure of the supplied fluid, the consumption meters 100 comprising: A flow tube 110 with a through-going opening 112 for passage of a fluid between an inlet and an outlet, the flow tube having a wall with an outer surface 114; two ultrasonic transducers 120, 122 arranged at the outer surface 114 of the flow tube 110, so that ultrasonic signals are transmitted through the wall; a control circuit 30 arranged for operating the two ultrasonic transducers 120, 122 and to generate a signal indicative of the flow rate of the fluid; and a communication module 140 connected to the control circuit 130 and arranged for communicating the signal indicative of the flow rate of the fluid to the data collector 2; wherein the control circuit 130 is arranged for operating a first strain gauge 150 arranged at the outer surface 114 of the flow tube 110 to generate a signal indicative of the pressure of the fluid, and 1 wherein the communication module 140 is arranged for communicating the signal indicative of the pressure of the fluid to the data collector 2. The consumption meters 100 of the system are capable of obtaining and communicating data relating to flow and pressure in a utility network to an operator of the network for proper operation of the network.

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First Claim