A detector for wet diaper is suitable for large-scale production. The detector comprises a nonwoven fabric and at least two electrodes which are carbon powder coated on the nonwoven fabric. The length of the electrodes is 2-20 mm while the length thereof is more than 3 times than that of the width. The carbon powder is adaptable to the skin of the infants, the old, and the patients. It will not cause allergy or oppression to the skin. Further, the carbon layer possesses the function of filtration and odor adsorption, which is conducive to the hygiene and health of the subjects, such as, the infant, the old and the patients.本發明有關適合規模化生產的尿液檢測的感應體。該感應體包括無紡織布和至少兩個電極,其中上述電極為塗附在無紡織布上的碳粉。上述電極寬度在2-20mm,長度大於寬度3倍以上。碳粉對嬰兒、老人或病人的皮膚適應性都很好,不會造成對皮膚的壓迫,且不會引起過敏等現象。同時,碳層有過濾和吸附異味的功能,對嬰兒、老人或病人的衛生和健康均有益處。1‧‧‧無紡織布2‧‧‧第一電極3‧‧‧第二電極4‧‧‧第三電極
