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Thermal Camera as Night Vision Camera

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Thermal camera is being increasingly used a “Night Vision” camera and rightly so. Night Vision has much wider real world usage/application then “con-contact temperature measurement”. Thermal Cameras of Thermal sensors are capable of doing both. And as for developers point of view, using thermal camera as night vision device is much simpler, and faster to manufacture or calibrate too.

When a Thermal Camera is used as a night vision device, it does not require to measure temperature. So, the temperature calibration, compensation and related processing is not required. It makes life of a Thermal Camera manufacturer or developer much easier. All it has to do is, provide corrections and produce an image as sharp as possible.

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Buying tips for Infra Red Thermal Camera for body temperature detection

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Many companies in India have become reseller or seller for Thermal Imaging camera for fever detection in India and there seems to be lot of confusion/doubts about choosing the right product/solution for their requirement.

Here is few tips which may help people choose the right product for their requirement.

Continuous mass screening – In this screening, many people walk in lobby of hotel, malls etc. where people do not walk in a single file. It can also be a case where workers enter into a factory in multiple lines. In this, Thermal Imager Camera with visual camera a face detection would be suitable.

One by one voluntary checking – Most probably, this is the screening system which will fulfill most requirement in India. Office goers entering the office one by one, either in single line/queue or multiple lines/queues or different entry gates. Here, a person can stand in front of Fever Detection device, gets her body temperature measured looking at the thermal camera an proceed if green lighted. Here, both Thermal Camera based fever detection system or Pyrometer based fever detection system can be used for each gate or queue.

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Thermal Camera Applications

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Recently, many people have become aware of use of Thermal Camera in measuring human body temperature, thanks for mass media reports about fever screening for COVID19 symptoms. Most probably, this will be one of the widely used application for thermal camera in coming days, here is few areas where thermal camera has been used extensively PRE-COVID19 days

Temperature Measurement

Monitoring temperature is a requirement in many processes in many industries. While more traditional ways of temperature measurement like RTDs, ThermoCouples or pyrometers  are widely used, Thermal Camera is also gaining acceptance in the industries for temperature monitoring.  One immediate advantage of thermal camera over either RTD or Pyrometer is coverage of wider area. Pyrometer can measure spot temperature while a Thermal Camera can measure whole area covered by its lens.

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