How to Change Safety 1st Thermometer to Fahrenheit for Safer Temperature Readings

Introduction to Safety 1st Thermometer

Safety 1st Thermometer

Safety 1st thermometer is a well-known brand in the market that provides a range of digital thermometers, forehead thermometers, ear thermometers, and more. The company focuses on developing high-quality products for children and adults, ensuring that every household can have access to reliable and accurate temperature readings. These thermometers are designed to be simple, easy to use, and durable.

The Safety 1st thermometer is a digital thermometer that offers a quick and accurate reading of your baby’s temperature. The thermometer has many features that make it easy to use and read, making it a popular choice for parents and caregivers. It is important to know how to use the thermometer and how to change the temperature readings from Celsius to Fahrenheit so that you can get an accurate reading of your child’s temperature.

The thermometer is designed to take the temperature rectally, orally, and underarm. It is easy to clean and has a flexible tip that makes it comfortable for your child. It has a large digital display that shows the temperature in Celsius, which can be confusing for some users who prefer Fahrenheit. Luckily, changing it to Fahrenheit is easy and can be done in just a few simple steps.

How to Change Safety 1st Thermometer to Fahrenheit

Change Safety 1st Thermometer to Fahrenheit

If you prefer Fahrenheit readings over Celsius, it is easy to change the Safety 1st thermometer’s temperature reading to Fahrenheit. Follow these simple steps:

Step 1: Turn on the thermometer.

Step 2: Press and hold the button until you see “Lo” on the screen.

Step 3: Release the button and press it again. This should change the temperature reading to Fahrenheit.

Step 4: Once you see “Hi” on the screen, you are ready to take your child’s temperature in Fahrenheit.

It is important to note that changing the temperature reading to Fahrenheit will not affect the accuracy of the temperature readings. The thermometer is designed to provide accurate temperature readings, regardless of the scale used.

If you are having difficulty changing the temperature reading to Fahrenheit, be sure to consult the user manual or contact Safety 1st customer service for assistance.

Overall, the Safety 1st thermometer is a reliable and easy-to-use thermometer that can help you monitor your child’s temperature and ensure their health and safety. Knowing how to change the temperature reading to Fahrenheit can make it easier for you to use and understand the thermometer’s readings. By following these simple steps, you can quickly and easily switch the temperature reading to Fahrenheit and get an accurate temperature reading of your child.

Understanding the Different Temperature Measurement Modes


The Safety 1st thermometer is a very useful tool for parents. It helps to keep your baby safe from illnesses by taking their temperature accurately. While the thermometer is easy to use, there may come a time when you need to change its settings. For instance, you may want to switch from Celsius to Fahrenheit. To switch your thermometer to Fahrenheit, you need to understand its different temperature measurement modes. Here we explain the two modes and how you can switch between them.

The Two Modes of Temperature Measurement

The Safety 1st thermometer can measure temperature in two different modes: the Celsius mode and the Fahrenheit mode. Celsius is the default mode for the thermometer. This is because Celsius is the standard unit of temperature measurement in most parts of the world. However, if you live in the United States, you may be more familiar with Fahrenheit. In this case, you will need to switch the thermometer to Fahrenheit mode.

The Celsius mode measures temperature in degrees Celsius, with the boiling point of water at 100°C and the freezing point at 0°C. In comparison, the Fahrenheit mode measures temperature in degrees Fahrenheit, with the boiling point of water at 212°F and the freezing point at 32°F.

Switching from Celsius to Fahrenheit

To switch from Celsius to Fahrenheit on your Safety 1st thermometer, you need to follow these steps:

  1. Make sure the thermometer is switched off.
  2. Press and hold the button for at least five seconds. The thermometer will switch on in Celsius mode.
  3. Release the button when the thermometer is in Celsius mode. The display will show a temperature reading with ‘C’ beside it.
  4. Press the button again and the display will show an ‘F’ beside the temperature reading, indicating that the thermometer is now in Fahrenheit mode.
  5. Switch off the thermometer and then switch it back on again. The thermometer will now be in Fahrenheit mode and will display temperature readings in degrees Fahrenheit.

It is important to note that once you have switched the thermometer to Fahrenheit mode, it will remain in this mode until you switch it back to Celsius mode. You do not need to switch it to Fahrenheit mode every time you use it. Simply turn the thermometer on and it will be in Fahrenheit mode.


The Safety 1st thermometer is a reliable tool for taking your baby’s temperature accurately. However, to ensure that you get the temperature reading in the unit you are most comfortable with, you may need to switch between the Celsius and Fahrenheit modes. The thermometer has a straightforward method for switching modes, and with a few simple steps, you can switch between the two modes easily.

Step-by-Step Guide on How to Change to Fahrenheit

safety 1st thermometer to fahrenheit

If you live in a country that uses Celsius to measure temperature, changing your Safety 1st thermometer to Fahrenheit can be a bit confusing. Fortunately, this guide will walk you through the process, step-by-step. Here’s what you need to do:

Step 1: Turn on the Thermometer

safety 1st thermometer

The first step is to turn on the thermometer by pushing the on/off button. You can find this button on the front of the thermometer. Once the thermometer is on, you will see the current temperature on the screen, displayed in Celsius.

Step 2: Turn the Thermometer Off

safety 1st thermometer

Now that the thermometer is on, you must make sure it is off before proceeding to change to Fahrenheit. To turn off the thermometer, press and hold the on/off button until you see the screen turn off.

Step 3: Change to Fahrenheit


After turning off the thermometer, hold down the on/off button again until the screen starts to flash. This flashing indicates that the thermometer is in sync mode. You can change the temperature scale from Celsius to Fahrenheit while the thermometer is in sync mode. To switch to Fahrenheit, press the MEM button.

It is important to note that changing the temperature scale will affect all measurements, both those taken already and those taken in the future. So be sure that you want to make this change before proceeding.

Step 4: Wait for Confirmation

safety 1st thermometer

After pressing the MEM button, wait for the thermometer to confirm that the changes have been made. You will see “°F” appear on the screen, indicating that the thermometer is now measuring in Fahrenheit. Once you see this, you can release the on/off button.

Step 5: Turn the Thermometer Off and Back On

safety 1st thermometer

After changing the temperature scale, you must turn the thermometer off and back on to start using it again. Press the on/off button once to turn the thermometer off, and then press it again to turn it back on. Now, the thermometer will display temperatures in Fahrenheit.

Congratulations! You have successfully changed your Safety 1st thermometer to Fahrenheit. You can now measure temperatures in the Fahrenheit scale, which is commonly used in the United States and other countries. If you ever want to switch back to Celsius, simply repeat the process above, and select Celsius instead of Fahrenheit.

Tips for Proper Usage and Maintenance of the Thermometer

cleaning temperature probe

Safety 1st thermometer is a reliable and intuitive device that provides accurate temperature readings in seconds. As with any device, proper usage and maintenance are critical to its longevity and performance. In this section, we will discuss the essential tips to help you use and maintain your Safety 1st thermometer effectively.

1. Read the Instructions Manual

reading manual

Before using your Safety 1st thermometer for the first time, be sure to read the instructions manual carefully. The manual provides critical information on how to use the device, including how to change the scale from Celsius to Fahrenheit. By understanding how the thermometer works, you will be able to avoid common errors that could affect the temperature readings.

2. Calibrate the Thermometer

calibrating thermometer

It is essential to calibrate your thermometer regularly to ensure accurate temperature readings. To calibrate, fill a glass with crushed ice and water and insert the thermometer’s probe to get a reading of 32°F. If the reading is off by more than 1°F, you need to recalibrate the device. You can also check the thermometer’s accuracy by placing it in boiling water, and the device should display a reading of 212°F. If the reading is off by more than 1°F, recalibration is necessary.

3. Clean the Thermometer Probe

cleaning temperature probe

Clean the thermometer probe before and after each use to avoid contamination. Use a damp cloth to clean the probe and avoid submerging the device in water. Apply isopropyl alcohol on the probe and wipe it with a clean cloth or paper towel. Always ensure that the device is dry before storing it in a safe place.

4. Store the Thermometer Properly

storing thermometer

Store your Safety 1st thermometer in a cool, dry place away from direct sunlight. Avoid storing it in hot places, such as your car’s dashboard, as it could affect the device’s performance. Additionally, keep the device away from children and pets. Store the device in its original packaging or a dedicated storage case to protect it from damage.

By applying the above tips, you can ensure that your Safety 1st thermometer is performing optimally and providing accurate temperature readings. Remember to consult the instructions manual or seek professional help if you encounter any challenges when using or maintaining your thermometer.

Why Accurate Readings Matter in Ensuring Safety and Health

Accuracy of Thermometer Readings for Ensuring Safety and Health

As parents and caregivers, ensuring the safety and health of our loved ones is the most important thing we can do. One of the easiest and most straightforward ways to do this is by taking accurate temperature readings when someone is feeling sick. A reliable thermometer can help us to quickly assess the severity of an illness and determine whether it is necessary to seek medical attention.

However, in order for a thermometer to be effective, it must be able to provide accurate readings. This is particularly important when dealing with young children or elderly individuals, as their immune systems may not be as strong as others. An incorrect temperature reading could lead to a misdiagnosis or improperly treated illness, potentially leading to further complications or even hospitalization.

One of the most popular brands of thermometer is the Safety 1st thermometer. However, depending on your country, the default temperature measurement may be in Celsius. While this may be standard in certain parts of the world, it can be confusing or difficult to interpret for those who are used to Fahrenheit measurements. Fortunately, changing the Safety 1st thermometer from Celsius to Fahrenheit is a quick and simple process.

How to Change Safety 1st Thermometer to Fahrenheit

Step-by-Step Guide on How to Change Safety 1st Thermometer to Fahrenheit

If you are using the Safety 1st thermometer for the first time, it will automatically default to Celsius when turned on. Here’s how to change it to Fahrenheit:

Step 1: Turn on the thermometer by pressing the “On/Off” button.

Step 2: Press and hold the “Mode” button for a few seconds, until the screen displays “Fahrenheit”.

Step 3: Release the “Mode” button and wait a few seconds for the thermometer to switch to Fahrenheit mode. The unit symbol on the display will change from “C” to “F”.

Once you have made this change, the thermometer will default to Fahrenheit mode every time it is turned on.

It’s always important to double-check that your thermometer is providing accurate readings, particularly if you have changed the unit of measurement. To do this, you can use a second thermometer to compare the readings, or have your child’s temperature taken by a medical professional to verify the accuracy.

Remember, the safety and health of those around us should always be a top priority. By ensuring that we have reliable tools to measure temperature and monitor illness, we can take the necessary steps to keep our loved ones healthy and happy.

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