How Do Infrared Thermometers Work? | Steroplast Healthcare

A laser thermometer, also called a contactless thermometer, infrared thermometer, IR thermometer, or non-contact thermometer is just want its name suggests: a device for measuring temperature without the need for physical contact.

We’ll go through how infrared thermometers work in this video.

Browse our range of thermometers:

Berrcom Non-Contact Infrared Thermometer:
https://www.steroplast.co.uk/berrcom-...

Jumper Non-Contact Infrared Forehead Thermometer:
https://www.steroplast.co.uk/jumper-n...

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Transcript:

Infrared thermometers are useful for measuring the temperature in hard to reach places like air vents, or potentially dangerous places that could otherwise require someone to be in close proximity to a hazard, like an aggressive animal or an unstable electrical unit.

Contactless thermometers are also a part of infection control protocols for many businesses.

So, how do they work?

To understand how an infrared thermometer works it’s important to first understand infrared radiation.

Objects and organisms of any temperature that isn't absolute zero emit infrared radiation. This is when the atoms in an object move around.

We can't see infrared radiation but we can feel it as heat. The more infrared radiation, the hotter something is.

It is this infrared energy that infrared thermometers measure to determine the temperature of an object.

Infrared thermometers use a lens to focus IR energy being emitted by an object onto a detector called a thermopile.

A thermopile is made up of thermocouples which when warmed or cooled produce an electrical voltage that is translated into temperature than we can read on the device.

This process occurs in a matter of seconds or less. The Berrcom Non-Contact Thermometer has a read time of just one second, making it a good choice for busy environments like front of house in pubs, bars, and restaurants.