Device for measuring the pressure prevailing inside a pressurised fluid container, said device comprising: - a dial comprising an angular index bearing information representing pressure values, - a needle able to rotate about an axis transverse to the dial, said needle being able to occupy a plurality of angular positions with regard to the angular index according to the value of the pressure prevailing inside the pressurised fluid receptacle, - a member (4, 8, 9, 10, 13, 14) indicating the angular position of the needle, and - an electronic logic electrically connected to the member (4, 8, 9, 10, 13, 14) indicating the angular position of the needle, said electronic logic comprising a sensor for said indicating member (4, 8, 9, 10, 13, 14) and a measuring circuit connected to said sensor of said indicating member (4, 8, 9, 10, 13, 14), said measuring circuit being configured to produce an electrical signal representing the angular position of the needle indicated by the indicating member and calculate a pressure value prevailing inside the pressurised fluid container from said angular position of the needle, characterised in that it further comprises: - an electromagnetic coupling member electrically connected to the electronic logic, said electromagnetic coupling member being configured to electrically supply the electronic logic and the indicating member (4, 8, 9, 10, 13, 14) by converting a first radio signal received by said electromagnetic coupling member, the electromagnetic coupling member also being configured to remotely transmit, via a second radio signal, the pressure value prevailing inside the pressurised fluid container, the first radio signal and the second radio signal having a so-called "ultra-high" frequency lying between 850 and 950 MHz. - a dial comprising an angular index bearing information representing pressure values, - a needle able to rotate about an axis transverse to the dial, said needle being able to occupy a plurality of angular positions with regard to the angular index according to the value of the pressure prevailing inside the pressurised fluid receptacle, - a member (4, 8, 9, 10, 13, 14) indicating the angular position of the needle, and - an electronic logic electrically connected to the member (4, 8, 9, 10, 13, 14) indicating the angular position of the needle, said electronic logic comprising a sensor for said indicating member (4, 8, 9, 10, 13, 14) and a measuring circuit connected to said sensor of said indicating member (4, 8, 9, 10, 13, 14), said measuring circuit being configured to produce an electrical signal representing the angular position of the needle indicated by the indicating member and calculate a pressure value prevailing inside the pressurised fluid container from said angular position of the needle, - an electromagnetic coupling member electrically connected to the electronic logic, said electromagnetic coupling member being configured to electrically supply the electronic logic and the indicating member (4, 8, 9, 10, 13, 14) by converting a first radio signal received by said electromagnetic coupling member, the electromagnetic coupling member also being configured to remotely transmit, via a second radio signal, the pressure value prevailing inside the pressurised fluid container, the first radio signal and the second radio signal having a so-called "ultra-high" frequency lying between 850 and 950 MHz.