Are you trying to find clinical infrared thermometer among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling clinical infrared thermometer on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 29 hours of research and did 64 clinical infrared thermometer tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best clinical infrared thermometer you can buy today
- Advanced Technology: Superior performance delivered by the latest smart chip utilizing an optimized algorithm to ensure the 3 ultra sensitive sensors precisely measure your temperature to hygienically deliver accurate results, faster, safer, and more reliably.
- Long Term Reliability: Lifetime and reliability tests have shown our IR forehead thermometer to last over 1000 hours of usage.
- High Accuracy: The hyper precise infrared sensor collects more than 150 data points per second in an outdoor or indoor environment ensuring you get maximum accuracy every time you take a temperature.
- Feature Rich: Easy to use features include a 30 second auto power off function to save power, memory storage function to save up to 32 measurements for quick access, a switch between measuring object or body temperatures, a sound toggle and a fever alert system.
- What You Get: 1x infrared thermometer, 2x AAA batteries, 1x instruction manual and hassle free 12 months warranty.
- Non-contact Infrared Digital Thermometer: The Superior performance is delivered by its latest NT-01 chip processor, the temperature can be precisely detected within 1-3cm(0.39-1.18 inches) measurement distance, which is faster, safer, more reliably, and can effectively prevent cross-infection between multiple people.
- Instant and Accurate Reading: At the touch of the single-button, the thermometer for home can read fast in just 1 second. The baby thermometer has been clinically tested and approved for its accuracy and reliability, and recommended by medical professionals. The accuracy of temperature measurement is only ±0.4℉.
- Memory Storage & Auto Fever Alarm: The Forehead thermometer can save 35 sets of temperature readings. You can easily track the historical temperature changes. Its LCD screen has 3 different colors(green/yellow/red) according to different temperature levels. The abnormal temperature(red screen) will be accompanied by a warning sound.
- Multi-Mode Thermometer for All Age: The thermometer for fever reads temperatures in ear and forehead for all ages, the temperature thermometer for adults, kids and infants. And it can also measure the object(water) temperature and room temperature. An ideal choice for public, hospitals, restaurants, schools, companies, homes, etc. (℃ and ℉ are easily switchable.)
- 100% Satisfaction Guarantee: With eco-friendly and safe PP material, the no touch temporal thermometer is not easily broken, please rest assured to use. We provide 12-Month Warranty that ensures you a total hassle-free purchasing. Any problems, please do not hesitate to contact us.
- RELIABLE ACCURACY MORE ACCURATE THAN NO TOUCH MODELS: State of the art infrared technology. New advanced algorithm and sensor chip for improved precision. Clinical accuracy to 0.36°F/ 0.2°C. Best infant thermometer for baby and the whole family.
- EASY TO USE INSTANT READ WITH FEVER ALARM °F /°C: No need to switch on. Instant one-second measuring. Intelligent fever alarm indicator in three colors. Automatically switches between ear and forehead mode by removing or closing the probe cover.
- NO NEED TO WAKE BABY/ CHILD: This temporal thermometer has a mute function. Backlit HD LCD screen is easy to read in the dark. CE certified infant thermometer for kids and adults to give you peace of mind. Newborn essentials must haves.
- MULTI-MODE INFRARED THERMOMETER: Digital thermometer forehead and ear with object mode. Use the touchless object mode to measure liquid (e.g. baby milk), baby bathtub, food and ambient room temperature by holding probe at a distance of 0.4'' to 2''.
- QUICK USER GUIDE FOR EASY REFERENCE TO STORE IN POUCH. 35 MEMORY RECALL AND AUTO SHUTDOWN. BATTERIES INCLUDED. ONE YEAR WARRANTY. (Forehead and ear thermometer adult and kids temperature thermometer for fever / infrared thermometer ear and forehead).
- ✅NCT-301 non-contact forehead thermometer instant-read thermometer for kids, children & adults, take the accurate temperature in one second. Great choice for family, nursery, school.
- ✅Reliable and Accurate: NCT-301 can take not only Body Temperature but also Object Surface Temperature and Room Temperature within one second. Large LCD screen: Green, Yellow, and Red for normal, elevated and high human body/head fever temperatures.
- ✅Unique Designed Thermometer: Newly designed instant-read thermometer with reading in either Celsius or Fahrenheit. Backlit; Silent&Beep mode; auto off; safety first audible fever alert.
- ✅Three-Color Mode and Fever Alarm: Easy to Read, Red backlight with short beep will easily identify an object or person is too hot with fever.
- ✅For All Ages And In All Environments - Babies, kids and adults, our no contact thermometer is safe to use for everyone and works both indoors and outdoors.
- WHOLE FAMILY CARE — Accurate and convenient; suitable for all ages; fast results put caregivers mind at ease when monitoring a fever or illness; no probe covers required.
- R.A.T.E. 4G TECHNOLOGY — Rapid Accurate Temperature Establishment: utilizes a patented sensor to rapidly sample the heat flowing from the blood vessels to quickly and accurately translate it to the patient’s core body temperature.
- COMFORTABLE MEASUREMENTS — Measures body temperature quickly and accurately from the temple; easy to use on children or sleeping patients.
- COMPLETE TEMPERATURE MONITORING — All of the features you need for your whole family in one thermometer: clinical accuracy, Fahrenheit/Celsius switchable measurements, last-reading memory recall, backlit display, fever alert notification, automatic shut-off plus batteries included. 1-year limited warranty
- QUICK, ACCURATE READING - 6-second proven clinically accurate reading
- COMFORTABLE MEASUREMENT - Non-invasive measurements taken at temple
- EASY TO USE – One-button operation, No probe covers required, Peak temperature tone
- Fahrenheit/Celsius measurement
- Meets ASTM Standard E 1112
- Batteries included; 2 AAA
- Fast reading in 1 second without contacting to pets, close to ear,Measuring distance needs to be 3-5cm, 32 memories recall help you monitor pet body temperature better.
- High contrast backlight for clearly reading, Celsius or Fahrenheit switchable
- Animal friendly, special design for dogs, cats, horses, rabbits and other big ear animals.
- Auto Beep alarm with a Pre-setting temperature
- Easy to carry and store, runs on two AAA alkaline batteries, measures 7-inch length with package
- Safe for All: Noninvasive, touch-free; Comfortable, hygienic, easier to use than rectal, oral, ear, armpit thermometers; Ideal for adult, baby, child, toddler, infant; Termometro para bebes o adultos
- Fast + Accurate: Contactless IR sensor with smart color LCD display; Audible alarm sounds at human body / head fever temperatures; Used by doctors, nurses, healthcare professionals, home, day care
- Great Value: Features include instant 1 sec read; touchless; memory storage capacity for previous 32 readings; Celsius or Fahrenheit settings; Able to be read at day or night; auto-off; energy saving
- Sleek Design: Modern design sets apart from other gun patrol designs; Portable and handheld; Electronic monitor thermometer includes 2 AAA batteries
- Proven Quality: Trusted USA company; Meets standards and regulations; Factory tested and comes with 2 year warranty. Prime Amazon delivery; Made in China
- SAFE FOR ALL: Our noninvasive, contact free IR Infrared thermometers are more comfortable, hygienic, and easier to use than rectal, oral, ear, or armpit thermometers; For use on adults, children, toddlers, or infants; Termometro para bebes o adultos; Ideal for doctors, nurses, and healthcare professionals
- FAST + ACCURATE: Large, color coded smart LCD screen lights up green for normal and red for elevated body temperatures; Audible fever alarm sounds at temperatures greater than 100.4° F
- GREAT VALUE: Features include memory storage capacity for last 60 readings; object mode will scan a liquid (such as milk), object, surface, or room; Celsius or Fahrenheit settings; night light; auto-off; energy saving capabilities
- SLEEK DESIGN: Sleek, modern design sets these thermometers apart from other ‘gun’ thermometers; Portable and handheld; Includes 2 AAA batteries
- HIGH QUALITY: Trusted American company; Meets standards and regulations; FSA HSA approved; Factory tested and comes with 2 year warranty. Manufactured in China
- [2021 Latest Optimized Algorithm] Instead of a contact probe, the non-contact infrared forehead thermometer adopts a cutting-edge algorithm and a high-quality infrared probe to minimize the error caused by the program fault, ambient light, and sound, suitable for accurate indoor and outdoor temperature measurement.
- [Accurate & Intuitive] Compared with traditional mercury and digital thermometer take minutes, the forehead thermometer gun with an advanced microchip and high sensitivity sensor can accurately capture the infrared heat from the forehead and intuitively read it on the LCD display screen in 1 sec, with the accuracy range of only ± 0.4 ° F.
- [Non-contact & Fever Alarm] Needs no contact with the body, the digital thermometer can instantly complete the temperature measurement on the body surface, ears, face, neck, and forehead within 1-5cm effective distance, actually more hygienic and convenient than an oral, rectal, and underarm thermometer, reducing the risk of cross-infection. The fever Alarm function allows you to respond in time.
- [10 Readings Memory & Portable] Our contactless thermometer can store up to 10 temperature readings to help track and record body temperature easily so that you can take prompt response in time according to the data changes. With its size compact and weight light, the thermometer for fever is perfect for hospitals, schools, supermarkets, malls, subways, clinics, homes, etc.
- 🥇Reliable & Accurate: Goodbaby Forehead Thermometer has been clinically tested and found to be a fast and absolutely reliable gadget to use. It is ideal for forehead readings.
- 🥇Fast & Easy Temperatures Readings: Taking your family’s temperature with Goodbaby Forehead Thermometer is as simple as pointing, and pressing a button. It uses infrared technology and can show readings in Celsius or Fahrenheit.
- 🥇Advanced Technology for Excellent Performance: It uses reliable ABS housing materials. Ergonomically designed, the firm grip makes it easy for even naughty children.
- 🥇Multi-mode Thermometer: Goodbaby Thermometer is designed for all ages, adults, infants, and elders. It not only supports the forehead function but is able to take room/object temperature.
- 🥇Trustworthy and Precies: Goodbaby Thermometer is backed by clinical validated and recommended by the pediatrician. Please contact our friendly customer support team if you have any concerns about the device.
- 🥇WHAT YOU GET: 1x Forehead Thermometer, 1 x User Manual, 1 x Quick Guide, 2 x AAA Batteries, 1x Carring Pouch. You will also get 12 months replacement from the date of purchase and 7*24h friendly customer service！
- 𝗟𝗖𝗗 𝗕𝗮𝗰𝗸𝗹𝗶𝗴𝗵𝘁 : The thermometer readings can switch ℃ to F , and the measurement results truly in human body temperature. The backlight of this thermometer's LCD display can be turned on or off. Auto Power off
- 𝗡𝗼𝗻 𝗖𝗼𝗻𝘁𝗮𝗰𝘁 𝗧𝗵𝗲𝗿𝗺𝗼𝗺𝗲𝘁𝗲𝗿 : The best moving distance of the non-contact thermometer
- 𝗛𝗼𝘄 𝗧𝗼 𝗨𝗦𝗲 : Aim the Thermometer at the forehead and press the handle trigger button to measure the temperature. The measurement distance is between 0.4-2.5 inch (1-5 cm)
- 𝗔𝗰𝗰𝘂𝗿𝗮𝗰𝘆 : Within range 35.0℃-42.0℃+ 0.2℃ -- Out of range 35.0℃-42.0℃+0.3℃
- 𝗠𝗲𝗮𝘀𝘂𝗿𝗶𝗻𝗴 𝗥𝗮𝗻𝗴𝗲 :Body Temperature Mode:32.0℃~42.9℃
- Advanced infrared detection system results in reliableand stable measurements.
- Selectable °Celsius or °Fahrenheit
- Forehead heat detection
- Selectable Body, Surface or Room modes
- High fever alarm if temperature is more than38°C(100.4℉).
- Green backlight indicates normal temperatureOrange backlight indicates low feverRed backlight indicates high fever
- 3V(2*LR03 AAA batteries) not included
- Non-Contact Digital Thermometer - With clinical validation and medical certification, our forehead thermometer can be trusted for accuracy, safety and easy-to-use. The thermometer, small but handy, is dedicated to providing accurate body temperature and the best care for your family
- Fast & Safe & HigIdeal Fever Alarm for Adult and Kids - 3 backlight indicators (Green, Yellow, Red,) for different temperature levels, displayed on the big and clear LCD screen. The LCD screen turns red and sounds an alarm when the temperature is abnormalh Accuracy
- Fast & SafeDual Mode & Memory Mode - Hold this smart infrared thermometer close to your forehead and press the button is forehead mode. The object mode is for food and room. For convenience, it can store up to 10 sets of data, you can read the temperature record at any time to track your historical temperature changes. Also, ℉ and ℃ are easily switchable & High Accuracy
- Fast & Accurate - With precise sensor probes and optimized algorithm calculation, the infrared thermometer gives the result of the measurement data within 1 second at most. The clear large LCD screen display, it allows you easy to read day and night
- What You Get - 1 x Touchless Infrared Thermometer, 1 x User Manual, 2 x LR03 Batteries. You will also get 12 months replacement from the date of purchase and 24-7 friendly customer service
- 🖤FAST & ACCURATE RESULTS: Get results in 1 second with the Viproud Thermometer. Viproud Forehead and Ear Thermometer has the advanced detector having passed multiple performance standards and tests, measurement results can be accurate to 0.1℉/℃, accuracy ±0.4℉/±0.2℃.
- 🖤EASY TO USE & PORTABLE: One-button control design, simply aim at the center of the forehead keeping a distance. Its compact and ergonomically designed body weighs only 0.15 lb, making it comfortable and portable.
- 🖤ULTRA CLEAR LED SCREEN: This thermometer boasts a LED backlight screen, making it incredibly easy to read the precise temperature in any lighting condition. You’ll be able to accurately read the temperature with ease, ensuring that you get the correct reading every time.
- 🖤DUAL MODE & MULTIPLE USES: Viproud Thermometer is an all-in-one super practical thermometer - with forehead mode & object mode, capable of measuring forehead, room and food temperature; 35 sets of memory storage; one-touch mute; ℃/℉ switchable; fever warning and 30 seconds auto shut-off function, which is designed for all ages.
- 🖤SAFE & SANITARY: Viproud No-touch Thermometer uses reliable medical-grade ABS housing materials, environmentally friendly and safety. The touchless thermometer can also avoid contact with the baby's skin causing a bacterial infection.
- Advanced Technology: Superior performance delivered by the latest smart chip utilizing an optimized algorithm to ensure the 3 ultra sensitive sensors precisely measure your temperature to hygienically deliver accurate results, faster, safer, and more reliably.
- Long Term Reliability: Lifetime and reliability tests have shown our IR forehead thermometer to last over 1000 hours of usage.
- High Accuracy: The hyper precise infrared sensor collects more than 150 data points per second in an outdoor or indoor environment ensuring you get maximum accuracy every time you take a temperature.
- Feature Rich: Easy to use features include a 30 second auto power off function to save power, memory storage function to save up to 32 measurements for quick access, a switch between measuring object or body temperatures, a sound toggle and a fever alert system.
- The Only Medical Thermometer With Clinical Accuracy at a Distance - With its innovative no-touch technology, this infrared thermometer is suitable for sick family members of all ages. Check for a fever at a distance of 2 to 6 inches.
- Equipped With the Newest Precision-engineered Technology - The newest hi-tech allows you to check your sick family member’s temperature with unmatched accuracy within seconds.
- With Intelligent Built-in Fever Alarm System - After temperature checking, the display of the no-touch thermometer lights up in green, yellow, or red. Depending on the temperature. Signaling a healthy, elevated, or high temperature.
- Memory Storages Up to 50 Readings - To keep track of your sick family member’s temperature, the infrared thermometer includes memory storages. Store up to 50 temperatures. Recall them the temps at any time to stay on top of the progression.
- CONTACT-FREE DESIGN: The non-contact infrared technology provides a fast, accurate reading without the need to touch a surface. Reduce the need to clean the device or worry about spreading bacteria thanks to the limited exposure to contaminated areas.
- Reliable & Accurate: Most commonly used in medical settings, yet perfect for home use for your family. The Reading populates in just 2 seconds with both C/F degree options.
- 4-IN-1 READINGS: Store up to 50 results of personal, room, food, or liquid temperatures.
- EASY TO USE: Normal, low-grade, and high-fever alerts make readings easy to understand with the 3-color backlight high-fever alarm. One-touch operation allows for quick and easy readings with user-friendly modes and power buttons.
- WHAT'S IN THE BOX: (1) HoMedics Non-Contact Infrared Thermometer, (1) 1-Year Warranty
- Quick measurement : The digital Thermometer is designed with one-button control, baby style thermometer. Simply align the measurement site, press the button, and the 0.3 seconds measurement easy-to-read backlit display will show the temperature result, even in the dark can be read clearly. Medical thermometer is lightweight, comfortable to use and easy to carry
- rechargeable thermometer: Digital thermometer using usb charging built-in lithium battery, thermometer with rechargeable can standby for 600 hours after charging, 1500 cycle times, long-lasting and durable, to save the trouble of frequent battery replacements.
- WIDELY APPLICABLE: This adult thermometer has light indicator function, suitable for all occasions. The digital thermometer supports 3 seconds ℃/℉ switching with fever warning and auto shut-off function, the forehead thermometer is perfect for home, hospital and other places. Convenient child thermometer for the elderly and moms with small children, adult and child thermometers are able to detect temperature abnormalities in time for health protection.
- High accuracy: forehead title body meter built-in high-precision sensors, measuring results with high accuracy, can reach ± 0.1 ℃ error range. The mini thermometer portable and easy to carry small size 65mm suitable for carrying outside,
- Safety and health: temporal thermometer using a reliable medical grade Medical-grade chip, with high precision measurement capabilities to ensure accurate and reliable measurement results. Non-contact infrared thermometer to avoid cross-infection of children's thermometer to use more safe and hygienic.
- Non-contact Measuring: Non-contact infrared technology reads from forehead with no physical contact, prevents cross-infection between multiple peoples. Safer and healthier, especially the forehead readings, as it does not bother the patient during crucial rest moments.
- Fast & Accurate:This thermometer equipped with the advanced infrared technology and high precision sensor reads fast, it only takes 1 seconds to read the temperature. The accuracy of temperature measurement is within 0.1 ℃.
- Multifunctional:The temporal thermometer is designed for all ages, adults, babies and elders. In addition to measuring forehead, it can also measure room, object, and liquids temperature. Great choice for families, nursery, hotels, school. Please note that to measure body temperature, switch to body mode. To measure object temperature, switch to surface mode.
- Intelligent:Automatic memory of 10 sets of measurements, LCD backlight has 3 different colors according to temperature, and abnormal temperature is accompanied by warning sound. Please note that the product does not include a battery.
- Reliable Thermometer:Environmental protection pp material lets you use the product is safe and assured. Our thermometer with Germany Infrared, high sensitive thermal probe for improved precision clinical accuracy.
- Fast & Accurate - Simply press the button, this forehead thermometer can easily and quickly read from your forehead in one second; Our thermometer with high sensitive thermal probe for improved precision accuracy ( Measurement deviation ≤ ± 0.2 degrees)
- Non-Contact Design - Instant measure temperature through Infrared technology, the No Touch Function can avoid touching the skin and help prevent cross infection between multiple people; For this infrared thermometer, you won’t need to even touch your or your child’s forehead to determine the temperature
- Fever Indicator / Alarm & LCD Display - With large LCD display and 3-color backlight function, this thermometer will display red for a high-grade temperature(short alarm beep), orange for a slight fever (or medium temperature), and green for normal, you won't need to second guess yourself, and can read clearly in the dark
- Widely Applicable - Infrared Forehead Thermometer can store up to 99 temperature readings and recall them at any time, comes in handy for keeping a record; "Mode" button shift for Body and Object temperature measurement, applicable for Body, Milk, food storage temperature, making this a perfect thermometer for bottle temperature tests and bathwater
- Durable and Economical - The compact and portable Forehead Thermometer can measure more than 30,000 times and Auto-power off (20 sec) for power saving, infrared temperature detection has much less wear and a longer service life; this Medical Infrared Forehead Thermometer can easily switch between ℃ and ℉ to meet your different needs
How to choose a good clinical infrared thermometer
Does the idea of finding a fantastic clinical infrared thermometer make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in clinical infrared thermometer. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top clinical infrared thermometer products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top clinical infrared thermometer on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top clinical infrared thermometer brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top clinical infrared thermometer based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the clinical infrared thermometer were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good clinical infrared thermometer, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your clinical infrared thermometer.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting clinical infrared thermometer for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our clinical infrared thermometer. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what clinical infrared thermometer should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on clinical infrared thermometer.
