A brief guide to general IR Thermometer

Petra Mechatronics
3 min readMay 15, 2018

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IR Thermometer stands for Infrared Thermometer that consists of an optical system, a detector and processing unit. Optical system is used to gather infrared energy emitted from the object and then this energy is passed through the detector which transforms it into electrical signals. The electrical signals are then changed in the processing unit into a temperature measurement.

IR thermometers are also known as pyrometers or non-contact infrared thermometers. These are the subsets of devices known as thermal radiation thermometers. They are compact, lightweight and easy to use. These are powered up by alkaline batteries or rechargeable lithium batteries. The most common types of infrared thermometers include :

Spot infrared thermometers, that measure the temperature at a spot on a surface.
Infrared scanning systems, that scans a large area as the spot thermometer points at a rotating mirror.

Tips to consider when using IR Thermometer
Follow the below listed tips before using pyrometer:
1.It is limited to a measuring distance of 100 ft due to atmospheric considerations.
2.Use a thermometer that is specially designed to measure thin film plastics.
3.If you will measure an object through glass, then it will display the surface temperature of glass unless it is made up of germanium.

Advantages of Infrared thermometers
Following are some advantages of using Infrared thermometers:
1.The energy efficient light beam qualities of IR thermometers allow users to point at any object to quickly detect the temperature.
2.It is used in the situations, where it is not possible to measure the temperature using conduction techniques such as in manufacturing applications that needs very high temperature.
3.It is used for residential uses to detect the room temperature, soil temperature and construction works such as walls or windows.
4.Non contact thermometer offers a distinct advantage over contact measurement due to its ability to determine target object’s temperature accurately.
5.It is installed in a large range of process applications including minerals, paper and plastics, metals etc.
6.It is used to serve wide variety of temperature monitoring functions like detecting clouds for remote telescope operation.
7.It is used in measuring the temperature of patients without touching them in the hospitals.
8.It is used to inspect the problems according to the electrical and mechanical appliances.
9.As IR Thermometer diagnose the temperatures of heating point, it is used in photography for developing photo prints.
10.It gives you the ability to monitor temperature in the situation, where the object is inaccessible or moving or where the object is electrically active.

Those were some advantages of using IR thermometer. Today, most of the people consider choosing infrared technology for measuring the temperature as it provides them accuracy, safety, durability and prevents contamination. If you are looking for a medical store that offers you the best IR thermometer at affordable rates, then you can find numerous options on internet.

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