How to Work a Braun Ear Thermometer: Your Definitive Guide
Accurately measuring body temperature with a Braun ear thermometer involves correctly positioning the probe in the ear canal, ensuring a proper seal, and following the device’s instructions for reliable readings; incorrect technique can lead to inaccurate results, so understanding the proper method is essential.
Introduction to Tympanic Thermometry
The Braun ear thermometer, also known as a tympanic thermometer, is a popular choice for quickly and conveniently measuring body temperature. Its non-invasive nature, speed, and relative accuracy make it a favorite among parents and healthcare professionals alike. Unlike traditional mercury thermometers, ear thermometers use infrared technology to detect the heat radiating from the tympanic membrane (eardrum), which shares a blood supply with the brain’s temperature control center, the hypothalamus. This proximity provides a reasonably accurate reflection of core body temperature. However, achieving reliable results depends heavily on proper technique.
Benefits of Using a Braun Ear Thermometer
Braun ear thermometers offer several advantages over other methods:
- Speed: Readings are typically available within seconds, making them ideal for impatient children.
- Ease of Use: The design is generally user-friendly, with a clear display and intuitive controls.
- Non-Invasive: Unlike rectal thermometers, they are less invasive and more comfortable for the person being measured.
- Hygienic: Disposable probe covers minimize the risk of cross-contamination.
- Safety: They eliminate the risk of mercury exposure associated with older thermometer types.
Step-by-Step Guide to Using a Braun Ear Thermometer
Here’s a detailed breakdown of how to use a Braun ear thermometer correctly:
Prepare the Thermometer: Remove the thermometer from its storage case and ensure it’s clean. Attach a new, disposable probe cover. This is crucial for hygiene and accurate readings. Never reuse probe covers.
Position the Person: For infants under one year old, gently pull the ear straight back. For children over one year and adults, gently pull the ear up and back. This straightens the ear canal, allowing for a clear path to the tympanic membrane.
Insert the Probe: Gently insert the probe into the ear canal, making sure to angle it slightly towards the opposite eye. Ensure the probe is snug but not forced. You should feel a seal forming between the probe and the ear canal.
Take the Reading: Press the “scan” or “start” button. Most Braun models will beep to indicate the reading is complete.
View the Result: Read the temperature displayed on the LCD screen.
Remove and Dispose: Carefully remove the thermometer from the ear. Eject and dispose of the used probe cover.
Clean the Thermometer: Wipe the thermometer’s probe tip with an alcohol wipe (do not immerse the entire device).
Common Mistakes to Avoid
- Reusing Probe Covers: Never reuse probe covers. This can spread infection and affect accuracy.
- Incorrect Ear Positioning: Failing to straighten the ear canal will prevent the probe from reaching the tympanic membrane, leading to inaccurate readings.
- Earwax Buildup: Excessive earwax can obstruct the probe’s path and affect accuracy. Clean the ear gently (do not probe deeply) if excessive wax is present, or consult a doctor.
- Taking Multiple Readings Quickly: Allow a few seconds between readings to allow the thermometer to recalibrate.
- Not Waiting Before Taking a Reading: If the person has been lying on their ear or has just come inside from the cold, wait a few minutes before taking their temperature.
Factors Affecting Accuracy
Several factors can influence the accuracy of ear thermometer readings:
- Ambient Temperature: Extreme temperatures can affect the device’s calibration.
- Ear Infections: An ear infection can artificially elevate the temperature reading in the affected ear.
- Earwax Buildup: As mentioned earlier, excess earwax can block the infrared sensor.
- Incorrect Technique: As detailed above, proper technique is paramount.
Understanding Temperature Ranges
Normal body temperature varies slightly from person to person and can be influenced by activity level and time of day. However, generally accepted ranges are:
| Temperature Type | Normal Range (°F) | Normal Range (°C) |
|---|---|---|
| Oral (Mouth) | 97.6 – 99.6 | 36.4 – 37.6 |
| Rectal (Bottom) | 98.6 – 100.6 | 37.0 – 38.1 |
| Axillary (Armpit) | 96.6 – 98.6 | 35.9 – 37.0 |
| Tympanic (Ear – Braun) | 96.6 – 99.7 | 35.9 – 37.6 |
Remember that fever thresholds vary depending on age and individual circumstances. Always consult with a healthcare professional if you have concerns.
Frequently Asked Questions
#### How do I know if the thermometer is working correctly?
If you suspect your thermometer isn’t working correctly, compare readings with another thermometer (such as an oral or rectal thermometer). If there is a significant discrepancy and you are following all instructions, contact Braun’s customer service or consult the device’s manual for troubleshooting steps.
#### Can I use the same probe cover on different people?
No. Using the same probe cover on different people poses a risk of cross-contamination and can also affect the accuracy of the readings. Always use a new probe cover for each individual.
#### How do I clean my Braun ear thermometer?
To clean your Braun ear thermometer, wipe the probe tip with an alcohol wipe or a soft cloth dampened with isopropyl alcohol. Never immerse the entire device in water or any other liquid.
#### What do I do if the reading seems too high or too low?
If the reading seems unusually high or low, repeat the measurement, ensuring you are using the correct technique and a new probe cover. If the reading is still concerning, consult with a healthcare professional.
#### Can earwax affect the accuracy of the reading?
Yes. Excessive earwax buildup can obstruct the probe’s path and affect the accuracy of the reading. If there is visible earwax, gently clean the outer ear before taking a temperature. Do not probe deeply into the ear canal.
#### How often should I replace the batteries?
Battery life varies depending on usage. Replace the batteries when the thermometer displays a low battery indicator. Refer to the device manual for the correct battery type.
#### Is it safe to use a Braun ear thermometer on a newborn?
While Braun ear thermometers can be used on newborns, it’s generally recommended to consult with a pediatrician for the most accurate method of temperature taking in infants, especially in the first few weeks of life.
#### What is the difference between Celsius and Fahrenheit?
Celsius and Fahrenheit are different temperature scales. The conversion formula is: Celsius = (Fahrenheit – 32) x 5/9 and Fahrenheit = (Celsius x 9/5) + 32. Braun thermometers typically allow you to switch between scales.
#### What should I do if my child has an ear infection?
If you suspect your child has an ear infection, consult with a doctor. An ear infection can artificially elevate the temperature in the affected ear.
#### My thermometer is showing an error message. What does it mean?
Error messages can indicate various issues, such as a faulty probe, low battery, or incorrect usage. Refer to your thermometer’s instruction manual for a description of the specific error message and troubleshooting steps.
#### How do I know if my thermometer needs calibration?
Braun thermometers are typically calibrated at the factory and do not require routine calibration. However, if you suspect your thermometer is inaccurate, contact Braun customer service for assistance.
#### Where is the best place to store my Braun ear thermometer?
Store your Braun ear thermometer in a cool, dry place, away from direct sunlight and extreme temperatures. Keep it in its protective case to prevent damage.