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.