Process Sensors Corporation

Metis MP and MB Pyrometer Series

Metis Self-Contained Precision On-Line Pyrometers

The Metis MP and MB series of stand-alone pyrometers feature lead sulphide and lead selenide detectors to measure metal surfaces above 75°C (Metis MP) or above 50° (Metis MB). Temperature range of 130 to 700°C.



The Metis MP and MB series of accurate, reliable stand-alone pyrometers are commonly used to measure the temperature of metal surfaces. 

Pyrometer Series Metis MP utilizes lead sulphide and Metis MB lead selenide detectors with filtered spectral response at relative short infrared wavelengths, and they are therefore often used to measure metal surfaces above 75°C (Metis MP) or above 50° (Metis MB). The emissivity of these surfaces decreases with an increased wavelength, so they offer much better performance than other pyrometers with similar low zero scale temperatures, but with longer wavelength response.

The MP series has a focusable lens to concentrate the infrared energy radiated by the target, while the MB uses fixed focus lenses.  The focusing feature gives you control of the cone of vision and offers the possibility to measure either a small spot (focused) or the average of a bigger spot (out of focus). Fixed focus lenses with larger diameter collect more infrared energy and therefore result in smaller spot sizes.

The lenses are made of quartz glass (Metis MP23 and MP25) or calcium fluoride CaF2 (Metis MB) which are highly transparent in their spectral regions. If additional windows are necessary, they must offer similar optical characteristics.

The Metis MP and MB Pyrometers are offered in 3 models with a variety of capabilities and features for maximum application flexibility.  Please see the Specifications tab above for a summary of each model.


Metis MP23

Spectral Response
2 – 2.6 μm
Temperature Range
130 – 700°C
Lens Type and Material
Focusable, quartz glass

Metis MP25

Spectral Response
2.0 – 2.8 μm
Temperature Range
75 – 550°C; 100 – 700°C; 160 – 1200°C; 200 – 1300°C;
Lens Type and Material
Focusable, quartz glass lens

Metis MB35

Spectral Response
2 – 5 μm
Temperature Range
50 – 700°C 100 – 1000°C
Lens Type and Material
Fixed focus, calcium floride lens

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