Is your infrared thermometer giving strange readings or just not working like it used to? You’re not alone, and fixing it might be easier than you think.
Resetting your infrared thermometer can clear glitches and bring it back to accurate performance. Whether your device is stuck on a high temperature or simply won’t respond, knowing how to reset it properly will save you time and frustration. In this guide, you’ll learn simple, step-by-step methods to reset your infrared thermometer, plus tips on recalibrating it so your readings stay reliable.
Keep reading to get your thermometer back in shape and ensure it works perfectly every time you need it.
Basic Reset Steps
Resetting your infrared thermometer can solve many common issues. A basic reset helps clear errors and refresh the device. This process is simple and takes only a few minutes. Follow these basic reset steps to get your thermometer working properly again.
Power Off Device
Start by turning off the infrared thermometer. Make sure the screen is completely blank. This stops all current operations. It prepares the device for a full reset.
Remove Batteries
Open the battery compartment carefully. Take out all batteries from the device. Removing power fully resets the thermometer’s internal system. Leave the batteries out for at least 30 seconds.
Reinsert Batteries
Put the batteries back into the compartment. Check the battery polarity to place them correctly. Close the compartment tightly to avoid loose contacts. This step restores power to the thermometer.
Power On And Test
Turn on the device by pressing the power button. Wait for the screen to show the startup display. Test the thermometer by measuring a known surface or object. Confirm it works correctly before regular use.

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Using Reset Button
Using the reset button is a simple and quick way to restore your infrared thermometer. This method clears errors and returns the device to its default settings. It helps fix common issues like frozen screens or inaccurate readings.
Most infrared thermometers have a small reset button. This button may be hidden inside the battery compartment or on the device’s side. Knowing how to use this button can save time and avoid frustration.
Locate Reset Button
First, find the reset button on your thermometer. Open the battery compartment to check inside. The button is usually small and recessed to avoid accidental presses. Some models place it near the display or on the back of the device.
Press And Hold
Use a pointed object, like a paperclip, to press the reset button. Hold it down firmly for about 5 to 10 seconds. This action signals the device to clear its memory and reset settings. Make sure to keep the button pressed long enough for the reset to register.
Release And Restart
After holding the reset button, release it gently. Turn the thermometer off if it does not shut down automatically. Wait a few seconds, then power it back on. The device should start fresh and operate normally now.
Factory Reset Methods
Factory reset methods restore your infrared thermometer to its original settings. These methods help fix errors and improve accuracy. Resetting clears previous calibrations and user settings. It ensures the device works as intended by the manufacturer.
Different models use specific steps to reset. Commonly, a button combination during power-on triggers the reset. Adjusting offset settings recalibrates the sensor for better readings. Finally, saving the calibration locks in the new settings for consistent use.
Power On With Button Combination
Start by turning off the thermometer. Press and hold the Mode or Set button. While holding, power on the device. Keep holding the button for about 5 to 10 seconds. Release the button once the screen flashes or shows a reset message. This clears all custom settings and restores factory defaults.
Adjust Offset Settings
After reset, adjust the offset to calibrate accuracy. Access the offset menu using the Mode button. Use the Up and Down buttons to change the offset value. Compare readings with a known accurate thermometer. Adjust the offset until both readings match closely.
Save Calibration
Once the offset is set, save the calibration. Press the Set button to confirm the new value. The device usually shows a confirmation message. This step ensures the thermometer keeps the new calibration. Turn off the thermometer and turn it back on to test the settings.
Changing Temperature Units
Changing temperature units on an infrared thermometer is essential for accurate readings. Many devices allow switching between Celsius and Fahrenheit easily. This feature helps users work with their preferred measurement system. Below are simple steps to change temperature units on your device.
Switch Between Celsius And Fahrenheit
Most infrared thermometers have a button or setting to switch units. Look for a “Unit” button or a similar option in the menu. Press the button to toggle between Celsius (°C) and Fahrenheit (°F). The display will update to show the selected unit immediately. This quick switch makes the thermometer flexible for different users and regions.
Hold Mode Button
Some models require holding the Mode button to change units. Turn on the thermometer first. Press and hold the Mode button for a few seconds. The unit symbol on the screen will switch from Celsius to Fahrenheit or vice versa. Release the button once the desired unit appears. This method works well for thermometers without a dedicated unit button.
Recalibration Process
Recalibrating an infrared thermometer ensures accurate temperature readings. The process involves comparing your device with a trusted temperature source. Then, adjust the thermometer to match the correct values. Follow these simple steps to recalibrate your infrared thermometer.
Use Trusted Clinical Thermometer
Start by selecting a reliable clinical thermometer. Choose a digital or mercury thermometer known for accuracy. This device will serve as your temperature reference. Make sure it is clean and working properly. Avoid using cheap or unverified thermometers to prevent errors.
Measure Reference Temperature
Measure the temperature of a stable surface or object using the clinical thermometer. This could be a person’s forehead or a warm water sample. Record the reading carefully. Next, use the infrared thermometer to measure the same spot. Take multiple measurements to ensure consistency.
Adjust Infrared Thermometer Reading
Compare the infrared thermometer readings with the clinical thermometer values. Note the difference between the two. Use your infrared thermometer’s settings to adjust the reading. Some models allow manual offset correction in the menu. Save the changes and test again to confirm accuracy.

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Common Reset Issues
Resetting an infrared thermometer can solve many common problems. Yet, some issues may persist after the reset. Understanding these common reset issues helps you troubleshoot effectively. This section explains the most frequent problems users face during or after resetting their device.
Inaccurate Readings
Inaccurate readings often happen even after a reset. Dirt or oil on the sensor lens can block infrared signals. Clean the lens gently with a soft cloth. The device may also need recalibration after reset. Check the user manual for calibration instructions. Using the thermometer at wrong distances affects accuracy too. Always measure at the recommended distance for best results.
Battery Problems
Battery issues are common reset obstacles. Weak or dead batteries cause the device to shut off or show errors. Remove and replace old batteries with new ones. Use the correct battery type as specified. Battery contacts may corrode or get dirty. Clean them carefully with a dry cloth to ensure good contact. Always turn off the thermometer before replacing batteries.
Device Not Responding
The thermometer may not respond after reset. This can happen if the reset button is not pressed long enough. Try holding it down for at least 5 seconds. Some models require removing batteries to force a full reset. If the device still does not respond, internal hardware faults may exist. Contact customer support or refer to the warranty for repair options.
Maintenance Tips
Proper maintenance keeps your infrared thermometer accurate and reliable. Simple steps can extend the device’s life and improve readings. Follow these maintenance tips regularly to avoid common issues.
Clean Sensor Lens
Wipe the sensor lens gently with a soft, dry cloth. Avoid using water or chemicals that could damage the lens. Dirt or smudges block infrared signals and cause wrong readings. Clean the lens after each use or if the readings seem off.
Store Properly
Keep the thermometer in a cool, dry place away from direct sunlight. Avoid extreme temperatures or humidity, which can harm the sensor. Store it in its case to protect from dust and bumps. Proper storage prevents damage and keeps the device ready to use.
Regular Calibration
Check calibration often to ensure accurate temperature readings. Use a known temperature source, like an ice bath or a calibrated thermometer, to compare. Follow the manufacturer’s instructions to adjust settings if needed. Regular calibration keeps the device precise and trustworthy.

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Frequently Asked Questions
How Do You Reset An Infrared Thermometer?
To reset an infrared thermometer, remove the batteries for one minute. Reinsert them and power on the device. Some models have a reset button; press and hold it for a few seconds. After resetting, recalibrate using a known temperature source for accurate readings.
Why Is My Infrared Thermometer Not Reading Accurately?
Your infrared thermometer may read inaccurately due to wrong emissivity settings, incorrect distance, dirty lens, low battery, or extreme ambient temperatures.
How Do You Reset A Berrcom Infrared Thermometer?
To reset a Berrcom infrared thermometer, remove the batteries for one minute, then reinsert them. Turn the device on to complete the reset. For a factory reset, hold the Mode button while powering on. Recalibrate by comparing readings with a reliable thermometer after resetting.
Is There A Way To Reset A Digital Thermometer?
To reset a digital thermometer, remove its batteries for one minute, then reinsert them and power on. Some models have a reset button or require holding specific buttons during startup to perform a factory reset. Recalibrate using a known temperature source for accurate readings.
How Do You Reset An Infrared Thermometer Easily?
Remove the batteries for one minute, then reinsert them to power cycle the device.
Conclusion
Resetting an infrared thermometer helps fix common errors quickly. Remove batteries to power off the device fully. Hold the reset button or use a button combo to reset deeper settings. After resetting, test the thermometer for accuracy. Regular resets keep your device working well and reliable.
Simple steps prevent errors and improve readings. Keep your thermometer clean and store it properly. This ensures long-lasting, accurate temperature measurements every time.


