A system for measuring a flow of saturated steam, comprising: a temperature sensor configured to measure a process temperature; a pressure meter body; at least one pressure sensor (119, 121) located in said pressure meter body that measures pressure including a differential pressure and a static pressure, wherein the temperature sensor and the at least one pressure sensor (119,121) provide two sets of measurements that are used to calculate a flow of saturated steam; the system being characterized in that it further comprises a multi-variable transmitter, which is configured to: compute a first set of measurements among the two sets of measurements using the differential pressure and the static pressure provided by the at least one pressure sensor (119, 121) to calculate a first computed flow of saturated steam, compute a second set of measurements among the two sets of measurements using the differential pressure provided by the at least one pressure sensor (119, 121) and the process temperature provided by the temperature sensor to calculate a second computed flow of saturated steam, compare and determine a deviation between the first computed flow of saturated steam and the second computed flow of saturated steam corresponding to said two sets of measurements, evaluate the deviation between said first and said second flows of saturated steam to determine failure of either the temperature sensor or the static pressure sensor, wherein the system is configured to output one of said redundant said first and said second flows of saturated steam in case of the failure of either the temperature sensor or the static pressure sensor. a temperature sensor configured to measure a process temperature; a pressure meter body; at least one pressure sensor (119, 121) located in said pressure meter body that measures pressure including a differential pressure and a static pressure, wherein the temperature sensor and the at least one pressure sensor (119,121) provide two sets of measurements that are used to calculate a flow of saturated steam; the system being characterized in that it further comprises a multi-variable transmitter, which is configured to: compute a first set of measurements among the two sets of measurements using the differential pressure and the static pressure provided by the at least one pressure sensor (119, 121) to calculate a first computed flow of saturated steam, compute a second set of measurements among the two sets of measurements using the differential pressure provided by the at least one pressure sensor (119, 121) and the process temperature provided by the temperature sensor to calculate a second computed flow of saturated steam, compare and determine a deviation between the first computed flow of saturated steam and the second computed flow of saturated steam corresponding to said two sets of measurements, evaluate the deviation between said first and said second flows of saturated steam to determine failure of either the temperature sensor or the static pressure sensor, wherein the system is configured to output one of said redundant said first and said second flows of saturated steam in case of the failure of either the temperature sensor or the static pressure sensor. compute a first set of measurements among the two sets of measurements using the differential pressure and the static pressure provided by the at least one pressure sensor (119, 121) to calculate a first computed flow of saturated steam, compute a second set of measurements among the two sets of measurements using the differential pressure provided by the at least one pressure sensor (119, 121) and the process temperature provided by the temperature sensor to calculate a second computed flow of saturated steam, compare and determine a deviation between the first computed flow of saturated steam and the second computed flow of saturated steam corresponding to said two sets of measurements, evaluate the deviation between said first and said second flows of saturated steam to determine failure of either the temperature sensor or the static pressure sensor, wherein the system is configured to output one of said redundant said first and said second flows of saturated steam in case of the failure of either the temperature sensor or the static pressure sensor.