Fluke62 Max+ Infrared Thermometer (Not for human temp), -20 to +1202 Degree F Range, LCD

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This infrared thermometer is designed to take accurate temperature measurements without having to touch what you are measuring, which makes it safer, and easier to take temp measurements.This is particularly helpful with equipment that would either be dangerous or very difficult to access, and it takes readings instantly.The construction of the unit is rigid plastic with over-molded rubberized material, which makes it both comfortable to hold and easy to keep a secure grip.It also comes with a sturdy carabiner that fits into a corresponding hole at the base of the grip to allow it to easily clip to a belt loop or tool bag, a nice feature, especially when you need both hands free before using it, such as when climbing a ladder.The unit is powered by a single AA battery (included in the box), accessed by unscrewing a cover at the bottom of the grip.The LCD display shows current temperature reading in large numbers and either average, maximum, minimum, or difference between temperatures in the lower right-hand corner with small numbers.It also comes with a printed manual that consists mostly of pictorial explanations, some of which are a bit difficult to understand.However, I was able to figure out all that I needed with a bit of checking.There are also three buttons on the back of the unit, directly below the display screen.The button on the left is labeled "Sel."The button in the middle is a two-position rocker switch with an up arrow and a down arrow used only to adjust emissivity and high/low temperature alarm values, which I will explain later.The button on the right is labeled "Set."I will explain the settings in detail.In order to change the settings, you first need to activate the unit by pressing the trigger, then quickly press the "Sel" button.The first four times you press this button, it will toggle the lower right-hand small numbers on the LCD between displaying maximum ("Max"), minimum ("Min"), average ("Avg"), and difference ("Diff") from the currently measured temperature.The next press of the "Sel" button will display "LitE" and either "On" or "OFF" below that to switch the LCD display backlight between off or on, which is toggled between the two settings with the "Set" button on the right.The next press of the "Sel" button will display ºC or ºF (measure in either Celsius or Fahrenheit), which can be toggled between the two values by pressing the "Set" on the right.The next press of the "Sel" button will display "EMS" in the lower left-hand corner and a numerical value below that.This setting is emissivity, which is important to adjust for accurate readings on a variety of surfaces.By default, this value is set to 0.95, a good general purpose setting, but you will want a list of emissivity values for the surfaces you intend to measure for the best accuracy possible, which can be found from a variety of sources if you do a simple web search on "emissivity tables."As mentioned above, you adjust this numerical value by incrementing or decrementing it with the center up arrow/down arrow button.The next press of the "Sel" button will display "LAS," with either "On" or "OFF" below that.This is the setting that toggles the targeting lasers between off and on, again toggled between the two values with the "Set" button.The next press of the "Sel" button will display "trig" and either "On" or "OFF," below that.The purpose of this is to automatically shut down the thermometer if the trigger is accidentally held in for over ten minutes, something that could happen in a pocket or tool bag, to prevent the battery from getting unintentionally run down.The next press of the "Sel" button will display "Alarm HI" and a numerical value.You increment or decrement this numerical value with the center up arrow/down arrow button.The purpose of this is to have an alarm when you measure a temperature above the numerical value.The next press of the "Sel" button will display "Alarm LO" and a numerical value.You increment or decrement this numerical value with the center up arrow/down arrow button.The purpose of this is to have an alarm when you measure a temperature below the numerical value.Pressing the "Sel" button again after this will take you back to toggling between maximum, minimum, average, and difference values in the lower right-hand corner.The dual laser dots approximate the size and location of the area you will be measuring at any given moment.As a suggestion for how to use this best, I would advise that you hold in the trigger and sweep it across the entire surface you intend to measure, and you can then examine the max, min, avg, and diff.Also, the display will automatically power off after about seven seconds, dumping your measurements in the process, unless you press one of the three buttons on the back.I would advise that you hold in the up arrow/down arrow button if you want the display to stay on so you can write down the readings.This is a very useful instrument, particularly useful to people working on HVAC units, rotating machinery, objects that are difficult to access, and other equipment that would require rapid temperature checks.

Let me explain why this inferred temperature gun is the best. Aside from the -30°C to 650°C (-22°F to 1202°F) range of measurement, the accuracy is +/- 1%. This is pretty significant. I've researched so many different temperature guns and read "Top 10 Temperature Guns of 2017/2018/2019" lists and this one is among the most accurate hands down. For a few examples, the 630 Infrared Thermometer, 1080 Infrared Thermometer, 800 Infrared Thermometer, 774 Infrared Thermometer, 1025D Infrared Thermometer, and 1030D Infrared Thermometer all have an accuracy of +/-2%. The Etekcity 774 Infrared Thermometer, 1080 Infrared Thermometer, 800 Infrared Thermometer, 630 Infrared Thermometer, 1022 Infrared Thermometer, and 1022D Infrared Thermometer all have a +/- accuracy of 2% as well. The Nubee NUB8550H Digital Infrared Thermometer -58°F~ 1022°F (-50°C ~ 550°C) has an accuracy of +/- 1.5%. The Fluke 62 Max, Fluke 59+, and Fluke 59 have an accuracy of 1.5% or 2%. The Amprobe IR-708, IR-710, IR-712, IR-720 IR-730, and IR-750 have a +/- accuracy of 1.8-2%. Some might say that the Amprobe IR-750 has measurements from -58 °F to 2822 °F (-50 °C to 1550 °C), which is a wider measurement range than the Fluke 62 Max Plus. However, the Fluke 62 Max Plus is still more accurate. If you were to place both temperature guns nearby a furnace or a Boeing-737 engine, I'd trust the Fluke temperature guns more than the cheaper Amprobe products. The Amprobe IR-750 does not have a duel laser. I like how this one has two lasers instead of one. The lower the number for accuracy, the better the instrument. This makes a difference. Plus, the Fluke gun is very durable. I've seen their drop tests on Youtube. So, what are its flaws?The AA battery doesn't last long in it. To be fair, though, none of the batteries in these temperature guns last long. You'd be lucky to get even 20 hours out of some of them. Like all other expensive devices, be careful changing the batteries. Not to mention, when the battery gets very low in these temperature guns, the instrument might start to give more inaccurate readings. This is normal, just change the battery. Next, there's the manual. The manual could have been more thorough and specific to inform consumers how to navigate the instrument. Fluke needs to hire a few technical writers to improve their product manuals. If you choose not to find help on the Internet, it will possibly be a trial-and-error process. Furthermore, a lot of us wish there was just a simple ON/OFF button with this gun, but you have to go through a series of steps just to turn it on and off, such as pulling the trigger, navigating through the menu, and pushing the set button. Other than that, this is potentially the best purchase. Feel free to spend an additional $12 for the small carrying case. Although the 62 Plus is quite durable, I'd rather keep it in the carrying case than the shipping box itself. In the end, I would highly recommend this temperature gun. If you want an even better gun and have about $800 to spend, the Fluke 572-2 High-Temperature Infrared Thermometer is a bit superior. The temp. range is up to 900°C (1652°F), the +/- accuracy is 1%, and the Distance-to-Spot (D:S) ratio is 60:1. It also has high and low temperature alarms. In all honesty, you can't go wrong with either Fluke product.

The Fluke MAX Plus infrared thermometer works perfectly. It has two laser pointers that show the edges of the region of acceptance. It seems to be reasonably accurate. The physics of this depends on knowing the emissivity of the surface. The default value is 0.95, but you can change it with in a menu setting. Apparently most things that are not shiny metal have pretty much the same emissivity.If you need to work in dim light, there is a configuration setting that enables a back light. It would have been nicer if there were button to turn it on.There several other menu settings. One controls how the data is processed when you sweep over an area while holding the trigger. You can choose average, max, min, and maybe something else. There is also a setting to sound an alarm if the temperature is too low or too high. This would be useful in industrial settings where you repeatedly used it for the same thing. You can choose Fahrenheit or Celsius.It is really tough. It clams to be able to survive 3 meter (roughly 10 feet) falls. I've not tested this :-) .It runs on a single AA battery.I mostly use it in the kitchen. It is great for getting the oil in a frying pan up to just below the smoke point (about 450F for canola oil). I also use it to check temperature in the freezer and refrigerator. I have screwed a cup hook into the bottom of a kitchen cabinet, and it conveniently hangs there using the supplied mini-caribineer. It is also fun to find out things like how hot a hot iron is, how hot the flue pipe from the furnace is, etc.Bottom line: This just works perfectly. There are several cheaper models, but this one has the dual laser pointers and is the most accurate in its class. I recommend it over the similar cheaper ones.