PROBLEM TO BE SOLVED: To provide a urine sensor used in a urine receiver capable of automatically sucking urine.SOLUTION: The urine receiver 102 comprises a container part for sucking urine of a user of the urine receiver and the urine sensor 118 with a pair of electrodes 218a and 218b disposed between the container part and the skin of the user for detecting the urine. The pair of electrodes 218a and 218b are covered with an insulating cover 170. The cover 170 has through holes 169a and 169b for exposing the electrodes 218a and 218b respectively by small areas only.COPYRIGHT: (C)2007,JPO&INPIT【課題】尿を自動吸引可能な尿レシーバに使用する尿センサの提供。【解決手段】尿レシーバ102が、尿レシーバ着用者の尿を吸引する容器部と、容器部と着用者の肌との間にあって尿を検出する一対の電極218a,218bを備えた尿センサ118とを有する。一対の電極218a,218bは、絶縁性被覆170によって覆われる。被覆170には、電極218a,218bのそれぞれを僅かな面積だけ露出させる透孔169a,169bが形成される。【選択図】図6