Normal body temperature varies between 97.7degreeF and 99.5degreeF, or 36.5degreeC and 37.5degreeC. This value is called normothermia and may vary by about 0.9degreeF (0.5degreeC) during the day. While minor changes in body temperature are normal, it is important to check your temperature especially if you are feeling low or feeling sick. An accurate thermometer helps you to identify irregularity in body temperature and see what are often the first signals of something that needs attention: Particularly in young children who cannot explain their symptoms, monitoring temperature is essential. , Trister offers digital thermometers with added features like surface temperature reading and memory function to suit your needs. , How to measure temperature , Adult & Child forehead Mode. Point the temperature probe at the center of forehead, keep in contact with skin. , Ear Mode. Take off the probe cover. Fit the probe into the ear canal. , Object Mode. Point the temperature probe from the object with the distance of 1-2 cm (0.39-1.18 inches).