Differential pressure sensor and detection device comprising such sensor

The invention relates to a differential pressure sensor for a leak detection device, comprising:-at least two bodies in which a cavity is formed; -a diaphragm arranged between the two bodies and separating the cavities so as to define a test chamber in each of the bodies; -at least one electrode arranged in each of the test chambers and facing the diaphragm so as to form a capacitor therewith; characterized in that the sensor comprises at least two seals arranged between each of the bodies and the diaphragm. 本发明涉及一种用于泄漏检测装置的差压传感器，其包含：-至少两个主体，在所述至少两个主体中形成空腔；-隔膜，其布置在所述两个主体之间且分离所述空腔以便限定在所述主体中的每一个中的测试腔室；-至少一个电极，其布置在所述测试腔室中的每一个中且面向所述隔膜以便与其形成电容器；其特征在于，所述传感器包含布置在所述主体中的每一个与所述隔膜之间的至少两个密封件。