iHealth PT3 is designed to measure human body temperature and should not be used to measure the temperatures of other objects or the environment. Make sure that the forehead of the subject is free from sweat, cosmetics, dirt, or grease before measuring.
- Aim the probe of the thermometer at the center of the forehead and maintain a distance of less than 1.18 in (3 cm) away (the ideal distance will be the width of an adult finger). Do not touch the forehead directly.
- Gently press the measurement button [🌡] to start measuring. Maintain the distance until a measurement is obtained.
- The device will vibrate once a reading is obtained. The reading will be displayed on the screen. If the measurement has failed, the device will not vibrate and the screen will display [ - - - °F ] instead.
- After taking a measurement, the thermometer will automatically shut OFF after 8 seconds.