Infrared Thermometer: Kintrex IR Thermometer, Raytex, and Fluke Mini Infrared Thermometer

It doesn’t matter whether you’re an electrician, a machine engineer, a chef, or a candy maker, an infrared thermometer become indispensable device for diagnostics or troubleshooting. This gadget is useful for many applications such as tracking machine misfires, checking CPU temperature, measure insulation or food temperature so you can get the right cooking environment.

Unlike regular thermometer, infrared thermometer takes heat measurement by pointing a laser guide to certain surface. This reading method gives safety and flexibility without sacrificing accuracy. To get the best reading and accuracy there are several things you should know:

• Infrared thermometers are designed to measure an object's temperature from a distance, without actually having to touch the object. It is also means infrared thermometer only read the surface temperature. The inner side of the object can have different temperature.
• Infrared thermometers are calibrated on the assumption: this device read the temperature of what is known as a "high emissivity surface”, it means a surface that efficiently conducting/radiates the internal temperature of an object.
• Never use this device to read through some object (such as glass or plastic) it will show you the wrong reading, even though the laser guide can point out through the glass but the thermometer will stuck and read the glass temperature.
• Know the technical spec limitation such as: range minimum to maximum the unit can handle Operating range and standard deviation. It will be very useful if you are dealing with very sensitive object/job such as baking chocolate or make a candy.

For day to day use and not-very high temperature reading, below three most recommended IR thermometer.

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The Kintrex infrared thermometer provides accurate readings over a wide range of temperatures from -76 to 932 ° F. This device do very quick reading and accurate when used properly. The main advantages of this unit are it uses 2 AAA batteries rather than a 9-volt battery and the scale selector is below the display for easy switch from Celsius to Fahrenheit and vice versa.

The display is very easy to read even in a dark room since it back lighted and it has laser pointer to guide you for in long distance measurement. Kintrex IRT0421 is the most affordable IR thermometer and best seller unit with no emissivity adjustment which means it less accurate on the reflective surface. Fortunately, the emissivity of most non-metal materials is close to 0.95.

The Raytex also has no emissivity adjustment; it won’t be accurate on shiny or reflective surface. The best Raytex feature is that when squeeze the trigger and hold it, the device will scan all the surfaces you pointing at and updates the temperature continuously. Then it displays the last temperature and maximum temperature recorded during that scanning time for several seconds after you release the trigger.

Raytex MT6 use 9volt battery that will last for 12 hours and has ±1ºC (2ºF) deviation on 10ºC to 30ºC (50º F to 86º F). 1.5ºC (3ºF) or ±1.5% of reading deviation on 10º C to 30º C (50ºF to 86ºF) outside, and ±2ºC (4ºF) for below-10ºC (14ºF) temperature.

Fluke 62 Mini Infrared Thermometer

The Fluke 62 can measured broad range of temperatures from -30 to 500 degrees Celsius (-20 to 932 ° F) the widest range compare to Raytex and Kintrex. The unit is rugged enough for industrial environments with its protective rubber boots.

Two things that make this unit less attractive are: the price is 70% higher than Raytex, but if you are a Flux fan and know their quality and reliability then it shouldn’t be a problem. Secondly the selector to switch from Celsius to Fahrenheit is inside the handle, you have to open up the battery compartment to switch it.

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