20 Best Digital Cooking Oil Tester [2024]

Are you looking for the best Digital Cooking Oil Tester? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Digital Cooking Oil Tester.

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# Preview Product
1 testo 270 Cooking Oil Tester I Oil Temperature and TPM Measurement Tool Without Reference Oil testo 270 Cooking Oil Tester I Oil Temperature and TPM Measurement Tool Without Reference Oil
2 Testo 0563 2750 270 Cooking Oil Tester, 10' Length x 2' Width x 1' Height Testo 0563 2750 270 Cooking Oil Tester, 10" Length x 2" Width x 1" Height
3 ThermoPro TP-16 Large LCD Digital Cooking Food Meat Smoker Oven Kitchen BBQ Grill Thermometer Clock... ThermoPro TP-16 Large LCD Digital Cooking Food Meat Smoker Oven Kitchen BBQ Grill Thermometer...
4 ThermoPro TP-02S Instant Read Meat Thermometer Digital Cooking Food Thermometer with Super Long... ThermoPro TP-02S Instant Read Meat Thermometer Digital Cooking Food Thermometer with Super Long...
5 ThermoPro TP03 Digital Instant Read Meat Thermometer Kitchen Cooking Food Candy Thermometer with... ThermoPro TP03 Digital Instant Read Meat Thermometer Kitchen Cooking Food Candy Thermometer with...
6 Portable Stainless Steel Probe Cooking Thermometer Baking Temperature Measurement Food Liquid Paste... Portable Stainless Steel Probe Cooking Thermometer Baking Temperature Measurement Food Liquid...
7 Etekcity Infrared Thermometer 1080, Heat Temperature Temp Gun for Cooking, Laser IR Surface Tool for... Etekcity Infrared Thermometer 1080, Heat Temperature Temp Gun for Cooking, Laser IR Surface Tool...
8 Etekcity Infrared Thermometer 774, Digital Temperature Gun for Cooking, Non Contact Electric Laser... Etekcity Infrared Thermometer 774, Digital Temperature Gun for Cooking, Non Contact Electric...
9 KULUNER TP-01 Waterproof Digital Instant Read Meat Thermometer with 4.6” Folding Probe Backlight &... KULUNER TP-01 Waterproof Digital Instant Read Meat Thermometer with 4.6” Folding Probe Backlight...
10 Non-Contact Digital Laser Grip Infrared Thermometer Temperature Gun -58℉~ 752℉ (-50℃ ~... Non-Contact Digital Laser Grip Infrared Thermometer Temperature Gun -58℉~ 752℉ (-50℃ ~...
11 ThermoPro TP19H Digital Meat Thermometer for Cooking with Ambidextrous Backlit and Motion Sensing... ThermoPro TP19H Digital Meat Thermometer for Cooking with Ambidextrous Backlit and Motion Sensing...
12 KIZEN Digital Meat Thermometer - Home Gadgets & Kitchen Gifts - Wireless Probe - Waterproof Instant... KIZEN Digital Meat Thermometer - Home Gadgets & Kitchen Gifts - Wireless Probe - Waterproof...
13 REJOL LCD Backlight Display Screen Instant Read Digital Cooking Food Thermometer, 5 Inch Long Probe... REJOL LCD Backlight Display Screen Instant Read Digital Cooking Food Thermometer, 5 Inch Long...
14 Lavatools Javelin PRO Duo Ambidextrous Backlit Digital Instant Read Meat Thermometer for Kitchen,... Lavatools Javelin PRO Duo Ambidextrous Backlit Digital Instant Read Meat Thermometer for Kitchen,...
15 Magical Butter Machine MB2E Botanical Extractor with Magical Butter official 7 page Cookbook Magical Butter Machine MB2E Botanical Extractor with Magical Butter official 7 page Cookbook
16 Instant Read Meat Thermometer for Cooking, Waterproof Digital Food Thermometer Dual Probe Design... Instant Read Meat Thermometer for Cooking, Waterproof Digital Food Thermometer Dual Probe Design...
17 Yacumama Digital Water Thermometer for Liquid, Candle, Instant Read with Waterproof for Food, Meat,... Yacumama Digital Water Thermometer for Liquid, Candle, Instant Read with Waterproof for Food,...
18 Infrared Thermometer, Digital IR Laser Thermometer Temperature Gun -26°F~1022°F (-32°C~550°C)... Infrared Thermometer, Digital IR Laser Thermometer Temperature Gun -26°F~1022°F...
19 Instant Read Meat Thermometer Food Thermometer Cooking Thermometer Kitchen Candy Thermometer with... Instant Read Meat Thermometer Food Thermometer Cooking Thermometer Kitchen Candy Thermometer with...
20 KIZEN Infrared Thermometer Gun (LaserPro LP300) - Handheld Heat Temperature Gun for Cooking, Pizza... KIZEN Infrared Thermometer Gun (LaserPro LP300) - Handheld Heat Temperature Gun for Cooking,...
Bestseller No. 1
testo 270 Cooking Oil Tester I Oil Temperature and TPM Measurement Tool Without Reference Oil
  • Temperature and TPM: The testo 270 checks temperature and Total Polar Material, thus ensuring that only high quality, nutritionally adequate foods,...
  • Quick and cost-effective: The device works fast and reliably while enabling significant cost saving by decreasing the probability of changing the...
  • Convenient: The meter is designed in a way that protects the hand from hot oil. It is cleanable under running water (IP65) and has an intuitive...
  • Quality assurance: Determining the TPM is a key method to ensure high quality frying oil and hence fried food with a harmless nutritional value. It...
  • User-friendly: Its ergonomic, rugged design, backlit display, color-coded alarms and hold- and auto-hold function make the oil thermometer a...
SaleBestseller No. 2
Testo 0563 2750 270 Cooking Oil Tester, 10" Length x 2" Width x 1" Height
  • The use of the cooking oil tester also prevents changing the oil too soon
  • The TPM limit values can also be individually defined
  • Regular measurement with the test 270 can prevent this
  • Easy handling
  • Efficient
SaleBestseller No. 3
ThermoPro TP-16 Large LCD Digital Cooking Food Meat Smoker Oven Kitchen BBQ Grill Thermometer Clock...
  • Cook mode with USDA preset temperature settings: ThermoPro cooking thermometer ideal for meat, oven, smoker or stove top; Programmable alert with...
  • Timer mode: Digital kitchen timer features countdown and countup ability, up to 99 hours, 59 minutes
  • High accuracy and heat resistance: Meat probe and wire can withstand up to 716 degrees Fahrenheit, you can cook with wide temperature range from 32 to...
  • Easy operation: Accurate grill meat thermometer with 6.5 inches food grade stepdown tip design stainless steel probe to get temperature precisely and...
  • Convenient storage: Digital food thermometer, features a magnetic back to allow you to easily attach to refrigerator or any metal surface; a hanging...
SaleBestseller No. 4
ThermoPro TP-02S Instant Read Meat Thermometer Digital Cooking Food Thermometer with Super Long...
  • Fast readout and accurate: Instant read meat thermometer features a 4 to 7 second readout speed and high accuracy of ±0.9 degrees Fahrenheit,...
  • Easy to use: Simply insert probe thermometer into your food and receive the temp in seconds; Powers off after 10 minutes of no use to conserve battery...
  • Wide variety of uses: Digital meat thermometer with temperature range of -58 to 572 degrees Fahrenheit (-50 to 300 degrees Celsius) guarantees you can...
  • Super long probe: Kitchen thermometer with 5.3 inches super long, food grade stainless steel probe to keep your hands away from the heat and avoid...
  • Convenient storage: Instant read meat thermometer features a hanging hole allow you to easily attach to kitchen hooks or a lanyard; Probe tip cover...
SaleBestseller No. 5
ThermoPro TP03 Digital Instant Read Meat Thermometer Kitchen Cooking Food Candy Thermometer with...
  • Super-fast: Instant reading thermometer with backlight features 3.9 inches food grade stainless steel probe gets temp readout within 3-5 seconds with...
  • Accurate readout: Cooking thermometer with temp range of -58 ~ 572 degree Fahrenheit (-50 ~ 300 degree Celsius); accurate to ±0.9 degree Fahrenheit;...
  • Easy to use: Kitchen thermometer with foldable probe design folds away easily and locks into base for portability; Magnetic back and hook allows for...
  • Smart design: Digital meat thermometer will auto shut off if readout stays on for 10 minutes; Powered by AAA battery; batteries included
  • Backlight display: Grilling thermometer features backlight LCD display to let you see clearly while cooking in the evening, indoor or outdoor
SaleBestseller No. 6
Portable Stainless Steel Probe Cooking Thermometer Baking Temperature Measurement Food Liquid Paste...
  • High Quality: Using the food grade metal sensing probe, safe and assured.
  • Easy To Use: Four buttons to turn on/off, shift ℃/℉, Hold and Min/Max.
  • Instant Reaction: Thermometer shows accurate temperature results in seconds with a LCD digital display.
  • Long Probe: 5.8 inch Long Probe Food Thermometer keeps you from burning your hands while measuring; Perfect for huge Christmas & Thanksgiving Day’s...
  • Helps you prepare delicious and nutritious food for your family and friends.
Bestseller No. 7
Etekcity Infrared Thermometer 1080, Heat Temperature Temp Gun for Cooking, Laser IR Surface Tool for...
  • Wide Temperature Range: Measure an upgraded temperature range from -58°–1130°F / -50°–610°C and get your result in 500 ms; The display will...
  • Professional EMS Mode: The Lasergrip 1080 Infrared Thermometer has an emissivity range of 0.1–1.0 for precise readings across different surfaces and...
  • Non-Contact: 12:1 D:S, the Lasergrip can accurately measure targets from a distance, making it safer to measure dangerous objects; For the best...
  • Additional Functions: The Lasergrip has a backlit LCD screen with a unit conversion feature (°F/°C); It has an auto-off feature to extend battery...
  • Versatile Design: Infrared technology allows you to measure the surface temperatures of various objects with temperatures above the boiling point and...
Bestseller No. 8
Etekcity Infrared Thermometer 774, Digital Temperature Gun for Cooking, Non Contact Electric Laser...
  • NOT FOR HUMAN: Temperature readings from these devices are inanimate objects. The measured temperature for humans or animals will be inaccurate
  • BETTER ACCURACY: 12:1 D:S, meaning it can accurately measure targets at greater distances compared to most others; For best accuracy, the distance...
  • TARGET QUICKER: Measure surface temperature ranging from -58℉ to 716℉(-50℃ to 380℃), with 2 units ℉/℃ to choose; Response time: ≤500Ms;...
  • VERSATILE DESIGN: Infrared technology makes it to measure the surface temperature of various objects especially temperatures above boiling points and...
  • Note: This color model don't contain emissivity adjustment feature and max temperature feature
SaleBestseller No. 9
KULUNER TP-01 Waterproof Digital Instant Read Meat Thermometer with 4.6” Folding Probe Backlight &...
  • 【SO EASY TO USE】Works right out the box! KULUNER digital thermometer with foldable 4. 6" Food grade stainless steel probe and auto-on/off...
  • 【SUPER FAST and ACCURATE】Takes a temperature in a little as 2-3 seconds, and is accurate to +/-1 degrees with a wide range of -58℉-572℉. No...
  • 【WATERPROOF & PRACTICALITY】Every gap in the thermometer has a waterproof treatment, IP67 rated waterproof, the KULUNER meat thermometer can be...
  • 【POWERFUL FUNCTIONALITY】Switch easily between ℃ and ℉, and the large and bright LCD display with backlight makes it very easy to read the...
  • 【Warranty】We stand by our products so you can make your purchase with confidence. Our products are rigorously tested and made with love because we...
SaleBestseller No. 10
Non-Contact Digital Laser Grip Infrared Thermometer Temperature Gun -58℉~ 752℉ (-50℃ ~...
  • Faster: measure the surface temperature range from -58 ° f to 752 ° f / -50 ° c to 400 ° , you can choose the unit from ℉/ ℃; response time:...
  • Higher accuracy: compared with most other thermometers, the laser caliper has a point-to-point ratio of 12:1, which means it can accurately measure...
  • Multi-function design: infrared technology makes it easy to measure the surface temperature of various objects, especially the temperature above the...
  • BACKLIGHT LCD SCREEN: Auto Shut-Off to extend the battery life and features a low battery indicator.
  • Power & WARRANTY: It is powered by 2 x AAA battery(Included) U.S. FCC, CE, ROHS approved. 1 Year Warranty.
SaleBestseller No. 11
ThermoPro TP19H Digital Meat Thermometer for Cooking with Ambidextrous Backlit and Motion Sensing...
  • 2.0 inches large auto-rotating backlit display: Meat thermometers for grilling has a 180° auto-rotating backlit display, making this kitchen...
  • Motion sensing sleep/wake: Directly turns on and off by the probe opens or closes; instantly wakes when picked up the digital food thermometer and...
  • IP65 Waterproof & Convenient Storage: Quickly clean the digital meat thermometer with probe under running water; features a magnetic back to allow for...
  • 3-4 seconds ultra fast response time with highly accurate to ±0.9, instant read meat thermometer features 4.3 inches food grade stainless steel...
  • Lock and Calibration: instant read food thermometer features lock function to lock the temperature on the display,so you can read temp away from the...
SaleBestseller No. 12
KIZEN Digital Meat Thermometer - Home Gadgets & Kitchen Gifts - Wireless Probe - Waterproof Instant...
  • ULTRA FAST - Long gone are the days of overdone or undercooked food. Our accurate grill thermometer takes temperatures in as quick as 3 seconds, so...
  • MULTI USE - The meat and potatoes of a good cooking thermometer is one that can do it all. The Kizen kitchen thermometer works great with beverages,...
  • EASY TO READ DISPLAY - Our digital thermometer for cooking steak, chicken, and other poultry displays the temperature of your food on a large LED...
  • WATERPROOF - We not only made this meat thermometer digital, but also a breeze to clean. Simply wash the temperature probe and body of the food...
  • CUSTOMER SATISFACTION - Whether you're purchasing this Kizen instant read meat thermometer for your own home, or as a thoughtful gift for a loved one,...
Bestseller No. 13
REJOL LCD Backlight Display Screen Instant Read Digital Cooking Food Thermometer, 5 Inch Long Probe...
  • Fast and accurate reading: 3 to 5 seconds quick response with the high precision sensor at ±1.8Fahrenheit(±1 Celsius), ensures the best cooking...
  • Safe design: 5.3 inches food-graded stainless steel extra long probe stem plus 5" body length: no more hands burning while measuring; easy to reach...
  • Convenient to use: Easy to read the temperature from the big LCD display at 1.4inch width and 1.5inch diagonal. The backlight helps to read the digits...
  • Simple to operate: 2 sizable buttons with multiple but practical functions save you from usage confusion; a 10-minute auto shut-off can extend the...
  • Retail package: 1x CR2032 battery in the tester plus 1 extra in the box ; User Manual; 1x probe protective case to fully protect the whole probe; 1x...
Bestseller No. 14
Lavatools Javelin PRO Duo Ambidextrous Backlit Digital Instant Read Meat Thermometer for Kitchen,...
  • 1-3 second ultra-fast response time with an accuracy better than ±0.9°F.
  • Large 2" auto-rotating ambidextrous backlit display and IP65 splash-proof construction.
  • Intelligent stabilization alert and read-out hold function with integrated magnet for convenient storage.
  • Used by professional chefs, BBQ competitors, cooking show hosts, and award-winning baristas.
  • NSF certified superior build quality like nothing else on the market. Backed by an industry-leading 3-year limited warranty.
Bestseller No. 15
Magical Butter Machine MB2E Botanical Extractor with Magical Butter official 7 page Cookbook
  • Magical Cookbook: New Official MagicalButter Cookbook highlights most popular recipes included
  • Easy to use: At the touch of a button with our Microprocessor-controlled program sequences, enjoy great-tasting, healthy foods, or make natural...
  • Endless Recipes: Make your recipes Bolder: Brownies, Cookies, Smoothies, Sauces, Soups, Vegetables, Candies, Seafood, Marinades, Meats, Beverages,...
  • Easy to Clean: Fully automatic with 1,2,4,8 hour and cleaning cycles
  • Warranty: 1 Year warranty for all MagicalButter Machines
SaleBestseller No. 16
Instant Read Meat Thermometer for Cooking, Waterproof Digital Food Thermometer Dual Probe Design...
  • 【Super Fast & Accurate】 Instant read meat thermometer can measure food temperature in just 2-3 seconds. The food thermometer has a wide...
  • 【Dual Probe Design & Easy to Use】 This instant read meat thermometer has one more external extension probe compared to traditional grill...
  • 【Waterproof & Practicality】 Super easy to clean! Every gap in the thermometer has a waterproof treatment, IPX7 rated waterproof, the meat...
  • 【Large Screen & Easy to Store】 This food thermometer comes with a large backlight screen, enabling you to see the temp clearly whether in a poorly...
  • 【100% Satisfying Service】 Every product sent to you has gone through a series of quality inspection processes, please rest assured of this meat...
Bestseller No. 17
Yacumama Digital Water Thermometer for Liquid, Candle, Instant Read with Waterproof for Food, Meat,...
  • WATERPROOF - IPX7 waterproof. No worry on the rinse or wash under running water after measuring, easy clean and keep your digital food thermometer...
  • INSTANT READ AND ACCURATE - Meat thermometer instant read technology saves waiting time and gives you the accurate results. Wide temperature range...
  • EASY TO USE - Power on and start measuring. Celsius and Fahrenheit could be switched anytime. Hold the result then read with no hurry. Auto power-off...
  • LONG PROBE AND ROBUST DESIGN - Long probe cooking thermometer for meat keeps you away from heat source. Step-down with food grade stainless steel...
  • SATISFACTION USE - LIFETIME WARRANTY with 100% money back within 30 days! A good gift for kitchen beginner or master chef! Battery INCLUDED!
SaleBestseller No. 18
Infrared Thermometer, Digital IR Laser Thermometer Temperature Gun -26°F~1022°F (-32°C~550°C)...
  • ► Easy and Safe to Use: Infrared technology allows the laser infrared thermometer to safely measure surface temperatures above boiling and below...
  • ► Built-in Laser for Precisely Aiming: A built in Laser gives you the precision to hone in on the exact space you want to measure. operates on a...
  • ► User Friendliness: Big backlit screen makes it very easy to see the measured temperature, feature auto shut-off to save battery and data hold...
  • ► Free meat thermometer: Can measure the internal temperature range: -50 °C to +300 °C / -58°F to +572°F, fast reading, large-screen LCD...
  • ► Family Best Gift: The infrared thermometer can be used for cooking, barbecue, car repair, home maintenance and repair, or other household tasks....
Bestseller No. 19
Instant Read Meat Thermometer Food Thermometer Cooking Thermometer Kitchen Candy Thermometer with...
  • 【INSTANT READ & ACCURATE】FDA Approval Meat Thermometer equip with 2-3S reading out speed brings you accurate and healthy temp; accurate to...
  • 【SUPER LONG PROBE】Food thermometer has 6inch food grade stainless steel probe; No more worrying about getting too close to the hot food or...
  • 【EASY TO USE】Cooking Thermometer Simply insert probe into your food or liquid and get the temp; Lock the current temperature, the reading won’t...
  • 【WIDE TEMPERATURE TEST】Candy Thermometer Temperature Range -58℉ ~ +572℉(-50℃ ~ 300℃ ); Temperature measurement accuracy: ±0.5℉; It can...
  • 【RETAIL PACKAGE & WARRANTY】Instant Read Meat Thermometer 1× Meat Thermometer; The Thermometer quality assurance is 3 years. No more hesitation!...
SaleBestseller No. 20
KIZEN Infrared Thermometer Gun (LaserPro LP300) - Handheld Heat Temperature Gun for Cooking, Pizza...
  • ACCURATE - Our laser thermometer gun has an emissivity range of 0.1 to 1.0 for precise readings across different surfaces and conditions. For best...
  • VERSATILE - Use this handy laser temperature gun at home and in industrial settings. Check the heat of your oven or griddle, complete HVAC projects,...
  • EASY TO USE - Simply scan the surface of your object, hold down the trigger of the IR thermometer gun, and release to get live temperature readings...
  • BRIGHT DISPLAY - Each infrared temperature gun has a large, backlit LCD screen, so you can easily read temperatures in the dark. And with 2 AAA...
  • NOT FOR HUMANS - This temp gun thermometer is NOT suitable for human/internal body temperature use. It is designed for repairs around the home,...

Having trouble finding a great Digital Cooking Oil Tester?

This problem is well understood by us because we have gone through the entire Digital Cooking Oil Tester research process ourselves, which is why we have put together a comprehensive list of the best Digital Cooking Oil Testers available in the market today.

After hours of searching and using all the models on the market, we have found the best Digital Cooking Oil Tester for 2023. See our ranking below!

How Do You Buy The Best Digital Cooking Oil Tester?

Do you get stressed out thinking about shopping for a great Digital Cooking Oil Tester? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching Digital Cooking Oil Tester, which is why we have assembled a comprehensive list of the greatest Digital Cooking Oil Tester available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Digital Cooking Oil Tester that you consider buying. Your questions might include the following:

  • Is it worth buying an Digital Cooking Oil Tester?
  • What benefits are there with buying an Digital Cooking Oil Tester?
  • What factors deserve consideration when shopping for an effective Digital Cooking Oil Tester?
  • Why is it crucial to invest in any Digital Cooking Oil Tester, much less the best one?
  • Which Digital Cooking Oil Tester are good in the current market?
  • Where can you find information like this about Digital Cooking Oil Tester?

We’re convinced that you likely have far more questions than just these regarding Digital Cooking Oil Tester, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Digital Cooking Oil Tester, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Digital Cooking Oil Tester. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an Digital Cooking Oil Tester buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Digital Cooking Oil Tester currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of Digital Cooking Oil Tester has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an Digital Cooking Oil Tester?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your Digital Cooking Oil Tester.
  5. Customer Ratings: Number ratings grade Digital Cooking Oil Tester objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Digital Cooking Oil Tester.
  7. Product Quality: You don’t always get what you pay for with an Digital Cooking Oil Tester, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an Digital Cooking Oil Tester is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining Digital Cooking Oil Tester information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Digital Cooking Oil Tester is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: How do I use the digital cooking oil tester?

A: The digital cooking oil tester is easy to use: you can set the required TPM (Total Polar Material)/ TPC (Total Polar Compound) limit values in advance, and protect them from being modified inadvertently with a PIN. The cooking oil tester’s display will assist you during the measurement itself: it will flash until a stable reading is reached.

Q: How to use the testo 270 cooking oil tester?

A: The frying oil test is extremely easy with the testo 270 cooking oil tester: 1 Remove the fried product and wait until there are no more bubbles visible in the oil. 2 Switch on the cooking oil tester. 3 Immerse the cooking oil tester in the hot oil and measure. 4 Read off the TPM value – job done. More …

Q: How to test the quality of cooking oil?

A: To do this, it measures the so-called Total Polar Materials (TPM) component in the oil. TPM occur during frying and are a reliable indicator for the quality of the oil. The cooking oil tester for every requirement: intuitive, fast and robust.

Q: How to measure the TPM value of cooking oil?

A: Remove the fried product and wait until there are no more bubbles visible in the oil. Switch on the cooking oil tester. Immerse the cooking oil tester in the hot oil and measure. Read off the TPM value – job done. You can achieve better measurements and consistently precise measuring values with the testo 270.