Compact infrared camera for laser machining processes
September 30, 2019
Measure temperatures of up to 3452 ° F with the optris PI 08M
Temperature measurement in processes where lasers are used provides major challenges for infrared measurement technology: So for example the camera needs to be insensitive to the laser’s scattered light. The new optris PI 08M is ideally suited to these kinds of applications. It has a very narrow-band spectral sensitivity at 800 nm. Most industrial machining lasers, such as for example NIR or CO2 lasers work outside this range, so that the detector is protected against scattered laser light without additional filters. Typical applications include laser welding, laser soldering or laser hardening processes, where the temperature plays a key role.
Precise temperature measurement
With the wavelength range of 800 nm the PI 08M has an additional advantage: The measurement error is also minimal with unknown or changing emissivities. At high temperatures it is only 1.5% of the measuring value; below 3452 °F even only 1%. The measuring range is from 1067 °F to 3452 °F. In the interior of the infrared camera there is a highly dynamic CMOS detector with an optical resolution of up to 764 x 480 pixels, which can be operated with a maximum frame rate of 1 kHz. This means the infrared camera is also suitable for very fast processes.
Optimum integration into the application
The new PI 08M can be integrated very easily into a wide range of applications. A real-time analog output provides an output signal of 0 to 10 V. Here the temperature is averaged over an area of 8 x 8 pixels - the position of the area can be selected freely. The scope of supply also includes a Software-Development-Kit which provides the user with all functions.
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