Infrared Camera: Optris’ PI 640i

The PI 640i from Optris is a thermal imager and is the smallest measuring VGA infrared camera globally. It has an optical resolution of 640 x 480 pixels. The system is capable of delivering pin-sharp radiometric pictures and videos instantly.

The system has a body size of 45 mm x 56 mm x 90 mm and weighs only 269–340 g, depending on the lens. The PI 640i is one of the few most compact thermal imaging cameras in the market.

The system can be delivered with industrial thermal imager equipment and is available with an extensive license-free thermography software package.

Important Specifications

  • The spectral range of the system lies between 8 to 14 μm
  • Has a frame rate of up to 125 Hz
  • Temperature range lies between −20 °C to 900 °C, optional extension available up to 1500 °C
  • The system is available from €6800 €, software and I/O interface inclusive


The PI 640i is designed to have the highest resolution and finds application in all industries where pin-sharp infrared images and videos are necessary for processing and optimization.

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