Maximizing Your Infrared Thermometer in the Kitchen

How to Get the Most Out of Your eT650D Infrared Thermometer in the Kitchen

You’ll be surprised at how many different uses you can find for an infrared thermometer in the kitchen. You can use it while cooking, tracking heat of frying oil, making sure foods are not too cold and not too hot, and even keeping track of food safety.

But before we dive into all these practical uses, you have to understand the fundamentals of how infrared thermometers work. It is important to know that infrared thermometers always measure surface temperatures. This type of thermometer can provide accurate readings of the temperature of the oil in your sauté or stir-fry pan, for example.

Tracking Heat of the Oil and Keeping It Below The Smoke Point

You can use an infrared thermometer in the kitchen to track the heat of cooking oil as its temperature rises. You have to put the food into the pan just before the oil reaches its smoke point. The food will cool the oil in the pan. Oh, and you may be surprised to see just how much it does do that. But, you also do not ever want to let your cooking oil actually reach the smoke point. Because then, you have to discard it and start with fresh oil.

When oil or fat passes its smoke point, its molecular structure and flavor change dramatically. Then it is no longer healthy for eating. It also tastes terrible, which is a great indicator that you should not eat anything cooked in it. You don’t want to impart that terrible taste to the food. A thermometer gun is a great tool for identifying the characteristics of oil/fats in a sauté or stir-fry pan. Learning these characteristics will help you cook healthy delicious meals and avoid waste and spoiled dishes.

Here is a good reference chart for smoke points for various fats. It is a great tool to help you use your infrared thermometer in the kitchen to become a better cook:

http://www.cookingforengineers.com/article/50/Smoke-Points-of-Various-Fats

How to Use the Temperature Gun on a Sauté Pan

Use the IR gun by ‘shooting’ it at a slight angle across the surface of the oil in the pan. Point it at the area you wish to measure. If you have a shiny stainless steel pan, the shine will tend to show a slightly lower temperature. This happens if the pan is dry. But if there is oil, butter, or any other fat in the pan, point the gun so the lasers hit the fats in the pan rather than the pan itself. The thermometer can measure the temperature of the fat accurately this way. Temperature measurement of black cast iron pans is also more accurate when dry.

Shiny surfaces can yield inaccurate readings. Adjusting the emissivity of the IR thermometer to match the object’s surface infrared co-efficient will yield better results. The temperature gun is measuring the temperature radiating from the object it measures at the surface. And, shiny surfaces emit less thermal radiation than dark matte or dull surfaces and thus appear colder. For more details on how to adjust the emissivity on your ennoLogic infrared thermometer, please refer to the eT650D user manual. We also have a guide to help you apply the best emissivity setting for the material you are about to measure.

Getting Familiar with the Characteristics of Each Oil

Once you use a particular oil a few times for sautéing or stir-frying, you’ll become familiar with the characteristics of the oil. You’ll know when it is at the correct temperature for adding the food. You can also learn how much the temperature is reduced by adding the food. Another thing you can identify is how much food to add to keep the temperature from falling too steeply. Do these by testing and using the gun to check the temperature in the pan after you add the food.

You may be surprised to see that some foods cool the pan down a lot more than others. Some, on the other hand, will take longer to return to a higher temperature. All of these variables can be easily observed by using the non-contact laser thermometer as you cook. It’s easy and fun to do!

You will learn, simply by experiencing the different temperature readings as you sauté, which foods bring the temperature down faster. You will also know which reheat more quickly. In a very short time, you can approximate, just by observing the food in the pan, what temperature it is. You’ll get the hang of it if you consistently use the ennoLogic infrared thermometer in the kitchen.

Use the IR Thermometer to Keep Temperatures Cool Enough to Keep Active Ingredients Alive

Another great benefit of the infrared thermometer in the kitchen is its ability to measure the surface temperature of liquids you want to heat only until warm and not allow to get hot.

For example, milk and melted butter mixtures. The mixtures you are going to use to make bread must be warm enough to encourage yeast to grow. This growth will activate the yeast to ‘bloom.’ But, it should not be so hot they cook it prematurely. The IR temperature gun can easily measure temperatures during yogurt making or any other cooking where you have live cultures. These live cultures are required to make the recipe work and will be harmed if they get too hot.

How to Use the IR Gun to Measure Warm Liquids

To get an accurate measurement, stir the liquid in a slow and continuous motion. Then aim the gun at a slight angle across the surface of the liquid. You can shoot a continuous ‘stream’ of readings to get the full range of the temperature of the liquid. Alternatively, you can take multiple individual readings as you stir.

Measuring Temperatures of Sensitive Liquids

This also works quite well for measuring temperatures of carrier oils or other volatile ingredients. Making lotions, skin care creams, and even soaps with these ingredients. If you are heating the liquid on a stove top, remember that the temperature at the source of the heat will be higher than at the surface you are measuring and so the stirring must be continuous to keep your measurements accurate. It is best to use a double boiler or to use a container of hot water to heat sensitive liquids rather than to place them directly on an open heat source.

Keeps You Away from Messy Temperature Readings

Organic beekeepers, for instance, often like to make a bee tonic for a swarm of bees that they have just put into a new hive, and they include raw honey in the recipe. But that raw honey will not contain any of the vital nutrition the bees require if it gets too hot, so they don’t add it to the brewed chamomile tea until it has cooled to below 110 degrees. The temperature gun makes this very easy to determine without sticking a thermometer in what is essentially liquid sugar that turns into a hard sticky mess when it dries on utensils or surfaces.

Working With Pizza Stones and Barbecue Grates

Another great way to use your infrared thermometer in the kitchen is when measuring the temperature of the pizza stone in your oven, or of your barbecue grate. Again, this requires that you shoot the gun so that it shoots obliquely across the surface of the pizza stone or barbecue grate to obtain the most accurate reading. It gives a surprisingly accurate reading that can be used to determine the hot and cold spots of the pizza stone or barbecue grate and can let you know if and when the temperature is uniform across the entire surface.

Making Great Pizza

Your oven thermometer can tell you how hot the air inside the oven is, but the temperature of the pizza stone or oven tiles determines if the oven is ready for the pizza. Great pizza is the result of a pizza stone that is as close to 485°F as possible. Inside the range between 400°F and 500°F is a good target range for pizza to cook evenly without cooking so fast that it is raw inside if it is not burned on the edges or takes so long the crust does not crisp properly.

Grilling with Confidence

Your grate for your barbecue for grilling should be at the grilling temperature required for the type of food being grilled. Close the lid of the grill and wait for the thermostat to get to temperature, then to find the temperature of the grate itself and where its hot and cool spots are, use the same process of shooting the gun across the surface at the angle your eye can see across the grate without seeing the coals below it. This makes it easy to identify the hot and cooler spots on the grate to use for grilling and resting the meat until it is ready to eat. You will not be able to use the IR gun to measure the internal temperature of the steak or meat you are grilling, that will require a probe or meat thermometer you can insert into the meat.

A Lot More Uses for Your Discovery

These are just a few of the ways to use your eT650D dual laser infrared thermometer in the kitchen and when cooking or preparing food. It’s also a great tool for use in soap making, homemade lotion, and massage bar making and for lots of other important temperature measurements around the home. Be sure to check out our other articles on using the temperature gun for HVAC readings to test the functioning of your air conditioning and household heating systems, and for automotive diagnostics that include checking cooling, heating, and brake systems and checking engine and catalytic converter.

2 Comments

  1. Christopher Hale June 22, 2015 at 12:59 pm - Reply

    To anyone thinking temperature guns are a mere luxury item, they are no more an extravagance than a blender or a food processor. Users are able to cook with confidence knowing that friends and family won’t become ill, refrigerators and freezers are operating at their optimum and foods are cooked perfectly every time. That they have many other uses in and around the family home is just an added benefit. Infrared thermometers are an affordable tool in their own right, but can actually save you money and they will eventually pay for themselves many times over.

  2. […] from the great uses of the ennoLogic eT650D Infrared Thermometer in the kitchen, it is a powerful tool you can use to help you get the best out of other chores around the home. […]

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