A system of a plurality of ultrasonic consumption meters each arranged in a utility network for measuring consumption data of a utility in terms of a supplied fluid, the utility network further comprising a data collector for collecting the consumption data, wherein: each of the ultrasonic consumption meters are arranged to measure a flow rate of the supplied fluid and a pressure of the supplied fluid, the consumption meters comprising: - a flow tube, made from a polymer, with a through-going opening for passage of the fluid between an inlet and an outlet, the flow tube having a wall with an outer surface; - two ultrasonic transducers (120, 122) arranged at the outer surface of the flow tube, so that ultrasonic signals are transmitted through the wall; a control circuit arranged for operating the two ultrasonic transducers to generate a signal indicative of the flow rate of the fluid, and for operating a first and a second strain gauge (150, 152) to generate a signal indicative of the pressure of the fluid; and - a communication module connected to the control circuit and arranged for communicating the signal indicative of the flow rate of the fluid and the signal indicative of the pressure of the fluid to the data collector; characterized in that - the first and the second strain gauge are arranged at the outer surface of the flow tube to measure the strain on the flow tube in response to the pressure of the fluid; and - the flow tube has a first strain gauge zone of a first flow tube wall thickness and a second strain gauge zone of a second flow tube wall thickness, wherein the first strain gauge is arranged at the first strain gauge zone and the second strain gauge is arranged at the second strain gauge zone, and wherein the first flow tube wall thickness is smaller than the second flow tube wall thickness. each of the ultrasonic consumption meters are arranged to measure a flow rate of the supplied fluid and a pressure of the supplied fluid, the consumption meters comprising: - a flow tube, made from a polymer, with a through-going opening for passage of the fluid between an inlet and an outlet, the flow tube having a wall with an outer surface; - two ultrasonic transducers (120, 122) arranged at the outer surface of the flow tube, so that ultrasonic signals are transmitted through the wall; - a flow tube, made from a polymer, with a through-going opening for passage of the fluid between an inlet and an outlet, the flow tube having a wall with an outer surface; - two ultrasonic transducers (120, 122) arranged at the outer surface of the flow tube, so that ultrasonic signals are transmitted through the wall; a control circuit arranged for operating the two ultrasonic transducers to generate a signal indicative of the flow rate of the fluid, and for operating a first and a second strain gauge (150, 152) to generate a signal indicative of the pressure of the fluid; and - a communication module connected to the control circuit and arranged for communicating the signal indicative of the flow rate of the fluid and the signal indicative of the pressure of the fluid to the data collector; - a communication module connected to the control circuit and arranged for communicating the signal indicative of the flow rate of the fluid and the signal indicative of the pressure of the fluid to the data collector; characterized in that - the first and the second strain gauge are arranged at the outer surface of the flow tube to measure the strain on the flow tube in response to the pressure of the fluid; and - the flow tube has a first strain gauge zone of a first flow tube wall thickness and a second strain gauge zone of a second flow tube wall thickness, wherein the first strain gauge is arranged at the first strain gauge zone and the second strain gauge is arranged at the second strain gauge zone, and wherein the first flow tube wall thickness is smaller than the second flow tube wall thickness. - the first and the second strain gauge are arranged at the outer surface of the flow tube to measure the strain on the flow tube in response to the pressure of the fluid; and - the flow tube has a first strain gauge zone of a first flow tube wall thickness and a second strain gauge zone of a second flow tube wall thickness, wherein the first strain gauge is arranged at the first strain gauge zone and the second strain gauge is arranged at the second strain gauge zone, and wherein the first flow tube wall thickness is smaller than the second flow tube wall thickness.