What else should I know?
Measure only the side of the head that is exposed. Any covering, hair, hat, etc. will prevent the heat from dissipating, and would cause the reading to be falsely high. This also applies if one side of the head is into a pillow.
Slide the thermometer in a reasonably straight line across the forehead, midway between the eyebrows and the upper hairline, and not down the side of the face. Midway on the forehead area, the temporal artery is less than 2 millimeters below the skin surface, but down the side of the face, it is much deeper and less accurately measured.
You should also know you have purchased the gentlest and most accurate method of temperature assessment in the world.
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