System method for determination of humidity of concrete
The disclosure relates to a system ( 100 ) for determination of humidity of concrete, the system ( 100 ) comprises a gauge (A 1 ,A 2 ,A 3 ) configured to be embedded into the concrete, a first wireless communication module ( 10 a, 10 b, 10 c ) configured for wide area radio communication, and a processing circuitry ( 102 a, 102 b, 102 c ) operatively connected to the a gauge (A 1 ,A 2 ,A 3 ) and the wireless communication module ( 10 a, 10 b, 10 c ), configured to cause the system ( 100 ) to obtain first measurement data by the gauge (A 1 ,A 2 ,A 3 ), and transfer data wirelessly by the wireless communication module ( 10 a, 10 b, 10 c ) for making a value, defining the humidity of the concrete, available at a remote location. The disclosure further relates to a method for determination of humidity of concrete and a computer program product ( 500 ).
1. A system for determination of humidity of concrete, the system comprises:
a gauge configured to be embedded into the concrete wherein the gauge comprises:
an oxygen sensor, and
an ammonia absorption system, wherein the ammonia absorption system is configured to absorb ammonia from the gas at the gauge for enhancing the accuracy of the gauge when obtaining measurement data;
a first wireless communication module configured for wide area radio communication; and
a processing circuitry operatively connected to the a gauge and the wireless communication module, configured to cause the system-to:
obtain first measurement data by the gauge;
determine the relative oxygen saturation at the gauge;
determine the humidity at the gauge based on the determined relative oxygen saturation at the gauge; and
transfer data wirelessly by the wireless communication module to a remote location.
2. The system according to claim 1 , the system further comprises:
a reference gauge configured to be placed in the environment surrounding the concrete with the embedded gauge,
a second wireless communication module configured for wide area radio communication; and
the processing circuitry is operatively connected to the reference gauge and configured to:
obtain second measurement data by the reference gauge.
3. The system according to claim 2 , wherein the processing circuitry is further configured to:
determine the humidity at the gauge based on the first measurement data obtained by the gauge and based on the second measurement data obtained by the reference gauge.
4. The system according to claim 2 , wherein the processing circuitry is further configured to:
determine the humidity at the gauge based on the first measurement data obtained by the gauge and based on the second measurement data obtained by the reference gauge combined with chemical composition data of the concrete.
5. The system according to claim 1 , wherein the gauge or the reference gauge further comprises a temperature sensor.
6. A method for determination of humidity of concrete, the method comprising:
obtaining first measurement data by a gauge embedded into concrete, wherein the gauge comprises an oxygen sensor, and an ammonia absorption system, wherein the ammonia absorption system is configured to absorb ammonia from the gas at the gauge for enhancing the accuracy of the gauge when obtaining measurement data;
determining the relative oxygen saturation at the gauge;
determining the humidity at the gauge based on the determined relative oxygen saturation at the gauge; and
transferring data wirelessly by a wireless communication module to a remote location.
7. The method according to claim 6 , the method further comprising:
obtaining second measurement data by a reference gauge placed in the environment surrounding the concrete with the embedded gauge.
8. The method according to claim 7 , the method further comprising:
determining the humidity at the gauge based on the first measurement data obtained by the gauge and based on the second measurement data obtained by the reference gauge.
9. A computer program product comprising a non-transitory computer readable medium, having thereon a computer program comprising program instructions, the computer program being loadable into processing circuitry and configured to cause execution of the method according to claim 6 when the computer program is run by the processing circuitry.