PRESSURE SENSOR

PROBLEM TO BE SOLVED: To provide a pressure sensor capable of improving assembling/manufacturing efficiency, and enhancing pressure resistance and airtightness by materializing a simple manufacturing process.SOLUTION: A pressure sensor 1 includes: a pressure detecting element 2; a base 4 in which the pressure detecting element 2 is fixed on an inner surface thereof; a receiving member 5 disposed oppositely to the base 4; a diaphragm 6 clipped by the base 4 and the receiving member 5; and liquid sealed in a space between the base 4 and the diaphragm 6. Pressure in a space between the receiving member 5 and the diaphragm 6 is transmitted to the pressure detecting element 2 through the diaphragm 6 and the liquid. On the base 4, a sealing hole 4a used when sealing the liquid, and a plurality of lead holes 4b installed with lead members 11 electrically connected to the pressure detecting element 2 together with sealing members 4e are coaxially provided at equal intervals. An inner diameter of the sealing hole 4a is smaller than an outer diameter of the sealing member.