Guide to Choosing a Baby Thermometer

When a baby or toddler has a fever, it's a worrying time for parents. A quick and accurate temperature reading is crucial to correctly assess their health. However, the market offers a wide variety of devices: forehead thermometers, ear thermometers, or classic digital thermometers. The choice can be overwhelming.

This guide is designed to help you understand the different types of baby thermometers and find a model that suits your family's needs. We'll introduce a selection of devices with various features to provide you with an informed basis for your decision.

What to Look for When Buying a Baby Thermometer

Before you decide on a model, there are a few key aspects to consider. The right choice depends on your priorities—whether it's speed, measurement method, or additional features.

1. Thermometer Type: Forehead, Ear, or Digital?

The type of thermometer significantly determines the ease of use and comfort for your child.

• Contactless Forehead Thermometer (Infrared Thermometer): These devices measure temperature on the forehead without touching the skin. This is especially beneficial when you want to take a sleeping baby's temperature without disturbing them. The reading often takes just a few seconds.
• Ear Thermometer: These models also use infrared technology and measure the temperature in the ear canal. When used correctly, they are considered very accurate because the eardrum accurately reflects the body's core temperature. Proper positioning in the ear is crucial for a precise result.
• Digital Thermometer: This is the classic version with a flexible or rigid tip. It allows for rectal, oral, or axillary (under the armpit) measurement. For infants, rectal measurement is often considered the gold standard for high accuracy, but it is the least comfortable for the child.

2. Key Features for Daily Family Life

Modern thermometers offer more than just a temperature display. The following features can make them easier to use:

• Measurement Speed: A fast result reduces stress for both parent and child. Many infrared models provide readings in under three seconds.
• Colour-Coded Display: A screen that changes colour depending on the temperature (e.g., green for normal, yellow for elevated, red for fever) helps with quick interpretation of the result.
• Age-Specific Setting: Some devices, like certain Braun thermometers, allow you to input the child's age, as the definition of a fever varies with age.
• Silent Mode: A feature to disable beeps and alerts is ideal for taking measurements at night.
• Memory Function: Storing the last few readings helps you track the progression of the fever.

Thermometers for Children Reviewed

Here is a selection of devices that cover different needs—from quick, contactless measurement to versatile application.

Braun Sensian 7 Contactless Forehead Thermometer (BNT400)

Why it stands out: The Braun Sensian 7 combines contactless measurement with supportive technologies designed to reduce measurement errors. According to the manufacturer, its PositionCheck technology uses a targeting light and a proximity sensor to help you find the correct distance and position on the forehead.

Pros:

• Age Precision Technology: Adjusts the fever thresholds based on the selected age.
• 3-in-1 Functionality: Measures body temperature as well as the temperature of liquids (e.g., baby milk) and food.
• Colour-Coded Display: Green, yellow, or red for a quick fever assessment.
• Silent Mode: Allows for quiet measurements during the night.
• Contact and Contactless Mode: Flexible use depending on the situation.

Best for: Parents looking for a fast, hygienic, and easy-to-use contactless thermometer with additional guidance features for an accurate reading.

View details for the Braun Sensian 7

Braun ThermoScan 7 Ear Thermometer (IRT6520MNLA)

Why it stands out: The ThermoScan 7 is a well-established ear thermometer that also features Age Precision technology. A unique feature is its pre-warmed tip, which is designed to minimise the cooling effect in the ear and thus contribute to a more accurate measurement.

Pros:

• Age Precision Technology: Age-based temperature interpretation for three age groups (0–3 months, 3–36 months, 36+ months).
• ExacTemp Stability Indicator: A light and beep confirm correct positioning in the ear.
• Pre-warmed Tip: Designed for greater measurement accuracy.
• Hygiene Caps: Disposable caps ensure hygienic use every time.

Best for: Families who prefer a thermometer for children and adults that relies on the proven and fast ear measurement method and offers age-appropriate analysis.

View details for the Braun ThermoScan 7

medisana TM 750 6-in-1 Infrared Thermometer

Why it stands out: The medisana TM 750 is a versatile, multi-function device. It not only measures fever on the forehead and in the ear but can also measure the temperature of surfaces, liquids, and the ambient environment.

Pros:

• 6-in-1 Function: Measures on the forehead, in the ear, as well as objects, liquids, and room temperature.
• Visual Fever Alarm: The display changes colour to indicate an elevated temperature.
• Additional Display: Shows the date and time, which makes it easier to document the fever's progression.
• Certified Medical Device: Meets the requirements of the CE marking for medical devices.

Best for: Users looking for an all-in-one device for the whole family that is versatile for household use beyond just measuring fever.

View details for the medisana TM 750

Sunlife Flexible Digital Thermometer

Why it stands out: This digital thermometer focuses on the basics and offers a flexible tip for more comfort during rectal, oral, or axillary measurement. It's a straightforward and affordable option.

Pros:

• Flexible Tip: Ensures a gentler and more comfortable measurement, especially for babies.
• Waterproof Tip: Allows for easy and hygienic cleaning.
• Fever Alarm: An acoustic signal warns of an elevated temperature.
• Memory Function: The last measured value is automatically saved.

Best for: Those who want a simple, reliable, and inexpensive digital thermometer for the classic measurement method and value a flexible tip.

View details for the Sunlife Digital Thermometer

Haven't Found the Right Model?

Choosing the right thermometer is a very personal decision. If the models presented here don't fully meet your requirements or if you'd like to compare more options, you're sure to find the right device in our broader selection.

Discover more models in our Temperature Monitor category.

Frequently Asked Questions (FAQ)

What type of thermometer is best for newborns?

For newborns (0–3 months), contactless forehead thermometers are often recommended as they allow for a measurement without touch or disturbance. Alternatively, rectal measurement with a digital thermometer featuring a flexible tip is considered a highly accurate method by medical professionals, but it can be uncomfortable for the baby. Ear thermometers are generally recommended for babies aged 6 months and older, as the ear canal in newborns is still very narrow.

How reliable is a contactless forehead thermometer?

Modern contactless thermometers can deliver very accurate results when used correctly. To get an accurate thermometer reading, it's important to follow the manufacturer's instructions precisely. Factors such as the correct distance from the forehead, a clean sensor lens, and a calm environment (no draughts) are crucial. Improper use is the most common cause of inaccurate readings.

How do you correctly take a baby's temperature?

The correct method depends on the type of thermometer.

• Forehead: Following the instructions, hold the thermometer at the specified distance in the centre of the forehead.
• Ear: Gently pull the baby's ear back to straighten the ear canal and carefully insert the tip until the ear canal is sealed.
• Rectal: Apply a small amount of petroleum jelly to the flexible tip and gently insert it about 1 to 2 cm into the baby's rectum. In all cases, read the user manual for your device carefully. If you are unsure or if the fever is persistently high, you should always seek medical advice.