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Uttam Pegu

Handheld Thermal Camera or Online Thermal Camera

January 11, 2022 by Uttam Pegu Leave a Comment

Definition of Handheld Thermal Cameras are those which are battery operated, can be carried in hand and used for measuring temeprature on demand. Few examples are HandHeld Thermal Cameras are those used for periodic inspection of electical equipments, or any other equipments which require periodic temperature measurment.
“Online Thermal Cameras” are normally installed at a fixed location independently or in a PT ( pana nd Tilt) enclosure to monitor an area continuously. Few exampels are Online Thermal Cameras are Kiln Monitoring Camera, Flare Stack Monitoring Camera etc.

As Thermal Camera is not widely known and discussed or used like mobile phones, many first time users may not be able to decide what kind of thermal camera one should use to real world problems. Any periodic measurment which requires to be automated with higher accuracy, should use online thermal camera instead of handheld thermal camera. HandHeld thermal camera is always operated by a human as the name suggests.
… Continue Reading about Handheld Thermal Camera or Online Thermal Camera

Filed Under: Thermal Camera Tagged With: HandHeld Thermal Camera, Online Thermal Camera

Thermal Camera Eco-system

December 9, 2021 by Uttam Pegu Leave a Comment

Due to COVID19, “Thermal Camera or thermal screening system” have become household name which was otherwise confined to industrial and military domain. While trying to develop ( or trying to find a practical, off-the-shelf deployable), it was found that, the Thermal Imaging software which are available with thermal camera manufacturers, are quite inadequate. And there were not many System Integrators or third party thermal application developers who have many practical applications for solving real world problems!

There are few Thermal Imaging Application developers like Viper Imaging, which uses FLIR Thermal cameras for providing various industrial solutions. I think, there is a requirment for more such system integrators without which a eco-system around thermal cameras will not grow and there will always be shortage to provide last mile solutions to industries.
… Continue Reading about Thermal Camera Eco-system

Filed Under: General Tagged With: Thermal Camera, Thermal Imaging Software

Flare Stack Monitoring using Thermal Camera

November 9, 2021 by Uttam Pegu 1 Comment

O&G ( Oil and Gas) companies release hydro-carbon or unwanted gases, could be byproduct of some processes too into the atmosphere. But regulations require these gases to be burnt before it reaches the atmosphere to prevent it from polluting the atmosphere as well as prevent accidental explosion of unburnt hydro-carbon.

Flare Stack Monitoring System
Flare Stack Monitoring System

Any O&G companies would install at least one Flare where they would have pilot flame which will ignite any unburnt/unwanted/byproduct gases before it is released into the atmosphere. It is very important to monitor the pilot flame as well as any gases are burnt properly before it reaches air.
… Continue Reading about Flare Stack Monitoring using Thermal Camera

Filed Under: Thermal Camera Application Tagged With: flare stack monitoring system, Thermal Camera

Teledyne Flir And Thermal Camera in coming days

September 4, 2021 by Uttam Pegu 1 Comment

Teledyne Acquiring Flir (World Leader in Thermal Camera world) is an old news, but most probably, its a significant milestone in Thermal Camera industry. While low cost Chinese made thermal cameras have becoming popular, but after COVID19, many countries have stressing to buy thermal camera products made in Western countries.

COVID19 has also created a niche market where combining thermal camera and visual camera made an useful solution. While ther have been other application where both thermal and visual cameras were used, like in surveillance, this was the first time image processing and thermal camera have been combined to make a solution. Teledyne, visual camera and image processing company with intersts in many industries, acquiring the largest thermal camera company seems to be a natural progression for both Teledyne and Flir. Together, they could most probably, make very robust and useful solutions by combining thermal imagery and image processing software to solve many real world problems.

Surveliance and military applications of thermal camera may see huge technical improvements in coming days. We should hope for some solution which will combine various technologies like RADAR, Thermal camera, Machine Learning and wireless communication. These solutions could be useful in industrial as well as security & syrveillance as well as military applications.

Filed Under: General, Thermal Camera Tagged With: Flir, News, Teledyne, Thermal Camera

List of Thermal Camera Manufacturers

April 16, 2021 by Uttam Pegu Leave a Comment

Covid19 pandemic has given a widespread publicity to Thermal Cameras or Thermal Screening solutions in every domain of human life in 2019. Many thermal companies grew big way during this #COVID19 as industries, public institutions installed automatic thermal screening solutions.

Here is a list of Thermal Camera Manufacturers :
( This is not a complete list, I will keep adding the list of thermal companies. If your company is not listed here, please leave a comment so that I add it asap.)

1. FLIR
I think FLIR is the leader in Thermal Camera in the world.
… Continue Reading about List of Thermal Camera Manufacturers

Filed Under: Thermal Camera Tagged With: IR Camera, Thermal Camera

Few Optical Parameters one should know about Thermal Camera

June 26, 2020 by Uttam Pegu Leave a Comment

While thermal camera or thermal sensor has many important technical parameters which will determine its accuracy of temperature measurement, there are some optical parameters which one should know to determine its real world usage. Like a normal camera, Thermal Camera also has very important component, lens which will influence the temperature measurement. I will be trying to list and explain those optical parameters one should know or consider while selecting a thermal camera for specific application

1. FOV ( Field Of View) : This is one of the widely known or mentioned optical parameters or specification mentioned in any thermal camera. It can be considered as an window or a solid angle through which electromagnetic radiation will enter into the sensor of the thermal camera and the size of the window is the “field of view” of the camera for that distance. Now, it should be evident that, as its an angle, it will get wider and wider as it goes far from the sensor. This angle of view is dependent on focal length of the lens, longer the focal length, narrower the angle of view is and shorter the focal length, wider the angle of view would be. But the FOV is not dependent fully on the focal length of the lens, but also the sensor or detector size and its pixel pitch as well as its pixel count, both horizontally as well as vertically.
Normally, for a same pixel count, if the pixel pitch is greater, it will have greater FOV than the one with smaller pixel pitch.
… Continue Reading about Few Optical Parameters one should know about Thermal Camera

Filed Under: Thermal Camera Tagged With: Focal Length, FOV, Pixel Pitch, Pixel Size, Spot Size

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Handheld Thermal Camera or Online Thermal Camera

By Uttam Pegu

Thermal Camera Eco-system

By Uttam Pegu

Recent Posts

  • Handheld Thermal Camera or Online Thermal Camera
  • Thermal Camera Eco-system
  • Flare Stack Monitoring using Thermal Camera
  • Teledyne Flir And Thermal Camera in coming days
  • List of Thermal Camera Manufacturers

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