A pressure transmitter device (100; 200) comprising: a pressure receiving diaphragm (5A, 5B; 5) in contact with a measuring fluid; a fill fluid which is in contact with an opposite side of the pressure receiving diaphragm (5A, 5B; 5) to the other side in contact with the measuring fluid and is configured to transfer a pressure received by the pressure receiving diaphragm (5A, 5B; 5) from the measuring fluid to a pressure receiving sensor disposed at a position apart from the pressure receiving diaphragm (5A, 5B; 5); a hydraulic path which is filled with the fill fluid and is configured to connect the pressure receiving diaphragm (5A, 5B; 5) and the pressure receiving sensor ; and an output circuit configured to measure and to output an absolute pressure of the measuring fluid or a differential pressure between measuring fluids based on the pressure received by the pressure receiving sensor , wherein a hydrocarbon absorbing material for absorbing hydrocarbon and a hydrogen occlusion material for occluding hydrogen are provided inside the hydraulic path , characterized in that : the hydrocarbon absorbing material absorbs hydrocarbon inside the hydrocarbon absorbing material , wherein the hydrocarbon absorbing material and the hydrogen occlusion material are different materials, wherein each of the hydrocarbon absorbing material and the hydrogen occlusion material has a powder form, and the hydrocarbon absorbing material and the hydrogen occlusion material are disposed in the fill fluid in a mixed manner. a pressure receiving diaphragm (5A, 5B; 5) in contact with a measuring fluid; a fill fluid which is in contact with an opposite side of the pressure receiving diaphragm (5A, 5B; 5) to the other side in contact with the measuring fluid and is configured to transfer a pressure received by the pressure receiving diaphragm (5A, 5B; 5) from the measuring fluid to a pressure receiving sensor disposed at a position apart from the pressure receiving diaphragm (5A, 5B; 5); a hydraulic path which is filled with the fill fluid and is configured to connect the pressure receiving diaphragm (5A, 5B; 5) and the pressure receiving sensor ; and an output circuit configured to measure and to output an absolute pressure of the measuring fluid or a differential pressure between measuring fluids based on the pressure received by the pressure receiving sensor , wherein a hydrocarbon absorbing material for absorbing hydrocarbon and a hydrogen occlusion material for occluding hydrogen are provided inside the hydraulic path , characterized in that : the hydrocarbon absorbing material absorbs hydrocarbon inside the hydrocarbon absorbing material , wherein the hydrocarbon absorbing material and the hydrogen occlusion material are different materials, wherein each of the hydrocarbon absorbing material and the hydrogen occlusion material has a powder form, and the hydrocarbon absorbing material and the hydrogen occlusion material are disposed in the fill fluid in a mixed manner. the hydrocarbon absorbing material absorbs hydrocarbon inside the hydrocarbon absorbing material , wherein the hydrocarbon absorbing material and the hydrogen occlusion material are different materials, wherein each of the hydrocarbon absorbing material and the hydrogen occlusion material has a powder form, and the hydrocarbon absorbing material and the hydrogen occlusion material are disposed in the fill fluid in a mixed manner. <EOS>