Provided is a system for correcting a sweat analyte measurement for temperature. The system comprises a sweat collector (106) for collecting sweat from skin (102). The collected sweat is drawn from the sweat collector to an outlet (110) via a capillary (108). The sweat is drawn through the capillary by capillary action and evaporation of the sweat from the outlet. The evaporation of the sweat from the outlet depends on the temperature. A flow sensor (112) measures a flow rate of the sweat being drawn through the capillary. An analyte sensor (114) obtains the sweat analyte measurement. The system further comprises a controller which is configured to determine a temperature from the measured flow rate. The sweat analyte measurement is then corrected using the determined temperature. Further provided is a method for correcting a temperature-dependent sweat analyte measurement

A moisture detector includes a sensor chip and a moisture determining unit. The sensor chip includes a humidity detector having a detection surface on which to measure humidity, and also includes a heater heating the detection surface, and the moisture determining unit is configured to, after causing the heater to start heating, determine whether moisture is present on the detection surface based on a difference in changes in the humidity measured by the humidity detector.

A moisture detector includes a sensor chip and a moisture determining unit. The sensor chip includes a humidity detector having a detection surface on which to measure humidity, and also includes a heater heating the detection surface, and the moisture determining unit is configured to, after causing the heater to start heating, determine whether moisture is present on the detection surface based on a difference in changes in the humidity measured by the humidity detector.