A urine sensor to be used in a urine receiver is provided. The urine receiver (102) comprises a container member (112) adapted to suck urine discharged from a wearer of the urine receiver and a urine sensor (118) provided with a pair of electrodes (218a, 218b) interposed between the container member (112) and the wearers skin and serving to detect the urine. The paired electrodes covered with insulating coating (170). The coating is formed with through-holes (202) adapted to expose a limited area of the electrodes (218a, 218b).
