A deformable sensor arrangement comprising a deformable sensor suitable to be attached to a curved surface, the deformable sensor comprising - an elastic layer having a Young's modulus at least 0.01 MPa and a first yield strain at least 10 per cent at a temperature of 20°C, - a first stretchable electrode attached to the elastic layer, and - a stretchable electrically conductive wiring, wherein - the first stretchable electrode is able to stretch at least 5 % at a temperature of 20°C without breaking, and - the stretchable electrically conductive wiring is able to stretch at least 5 % at a temperature of 20°C without breaking, wherein the deformable sensor arrangement further comprises - an electronic arrangement electrically coupled to the first stretchable electrode via the stretchable electrically conductive wiring, which electronic arrangement is configured to obtain a first signal from the first stretchable electrode in an installation position of the deformable sensor, characterized in that the deformable sensor arrangement further comprises: - analysing means configured to determine a calibrated value based on the obtained first signal and assembly compensation coefficients, which assembly compensation coefficients are based on - material compensation coefficients, and - at least one other measured signal of the deformable sensor, which said at least one other measured signal was measured in the installing position of the deformable sensor when no object to be measured had an effect on the deformable sensor, wherein - the deformable sensor arrangement is configured to determine said material compensation coefficients on a planar surface, and/or - material compensation coefficients are stored to a memory and the deformable sensor arrangement is configured to use said material compensation coefficients stored to a memory. - an elastic layer having a Young's modulus at least 0.01 MPa and a first yield strain at least 10 per cent at a temperature of 20°C, - a first stretchable electrode attached to the elastic layer, and - a stretchable electrically conductive wiring, - the first stretchable electrode is able to stretch at least 5 % at a temperature of 20°C without breaking, and - the stretchable electrically conductive wiring is able to stretch at least 5 % at a temperature of 20°C without breaking, - an electronic arrangement electrically coupled to the first stretchable electrode via the stretchable electrically conductive wiring, which electronic arrangement is configured to obtain a first signal from the first stretchable electrode in an installation position of the deformable sensor, - analysing means configured to determine a calibrated value based on the obtained first signal and assembly compensation coefficients, which assembly compensation coefficients are based on - material compensation coefficients, and - at least one other measured signal of the deformable sensor, which said at least one other measured signal was measured in the installing position of the deformable sensor when no object to be measured had an effect on the deformable sensor, - material compensation coefficients, and - at least one other measured signal of the deformable sensor, which said at least one other measured signal was measured in the installing position of the deformable sensor when no object to be measured had an effect on the deformable sensor, - the deformable sensor arrangement is configured to determine said material compensation coefficients on a planar surface, and/or - material compensation coefficients are stored to a memory and the deformable sensor arrangement is configured to use said material compensation coefficients stored to a memory.