CDC How to Use an Infrared Thermometer
General Instructions:
How to Use an Infrared Thermometer
- Press the “Power” button to turn the thermometer on.
- Wait at least 15 minutes for the device to warm up.
- Press the button to put the thermometer in Celsius mode. Note: Confirm the thermometer is on “body reading” setting (if applicable).
- Stand to the side of the person whose temperature you are taking. Do not face them directly. Take two steps back.
- Ask the person to push back hair, remove hat or glasses, and wipe off perspiration, as this could give an inaccurate reading.
- Point the thermometer at the end of the person’s right eyebrow.
- Hold the thermometer at a length of 3 fingers put together from the person’s temple (3-5 cm). The thermometer should not touch the skin.
- Read the thermometer screen.
- Temperature is less than 35°C, take temperature again.
- Temperature is 38°C or higher, this person has a fever.
- If person meets rest of suspect
- Notify supervisor.
- Escort patient to the isolation area.
Remember to wait 15 seconds between each patient! Never turn off the device until your shift is over!
Maintenance
- Change the batteries often. Frequency will depend on the type of thermometer.
- Wipe the lens daily.
U.S. Centers for Disease Control and Prevention
Messages
Screen display messages:
- “H”: means that the temperature is too high, T>42.2ºC. Take temperature again.
- “L”: means that the temperature is too low, T<34 ºC. Take temperature again.
- “Err”: means that there is a display error. Take temperature again.
- Blank screen: Check that the batteries are in the right place. Check that the batteries are new.
Documents / Resources
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CDC How to Use an Infrared Thermometer [pdf] Instructions How to Use an Infrared Thermometer |
