IR sensor suits metal processing challenges
A
Raytek product story
Edited by the Engineeringtalk editorial team
Jul 23, 2007
Raytek's Marathon MM 3M infra-red sensor was designed to meet temperature measurement challenges in the metals processing industry.
Raytek has introduced the Marathon MM 3M infra-red (IR) sensor.
The Marathon MM 3M measures low-to-medium temperatures (100 to 600C) with more accuracy regardless of changing emissivity.
This innovative sensor was designed to meet temperature measurement challenges in the metals processing industry.
The Marathon MM 3M uses shorter infra-red wavelengths (2.3um) in order to minimise errors due to the uncertainty of emissivity, the measure of an object's ability to emit infra-red energy.
The new thermometer is not as sensitive to changes in emissivity on the target material as long wavelength sensors, and as such, provides more accurate readings across varying targets, at varying temperatures.
The Marathon MM 3M features an IP65-sealed user interface and precision variable focus optics.
These features allow the sensor to be quickly and correctly installed.
The precision variable focus optics allows the sensor to be accurately focused with just a touch of a button, while the sealed user interface guarantees the integrity of the electronics.
Together these features make the Marathon MM one of the easiest IR sensors to correctly install.
Metal targets, by definition, have variable emissivity and reflectivity that can change from part to part, and vary with temperature as well.
Thus, everyone working with metal has the potential for emissivity-related problems.
The primary purpose of this new instrument is to address problems with variable emissivity in low-temperature heat treating applications.
Whereas changing emissivity can have a significant impact on conventional IR sensors, those same changes will only affect this unit minimally.
The Marathon MM 3M is the latest addition to the growing Raytek Marathon MM series.
It provides all of the advantages of this advanced sensor platform, including enhanced continuous remote temperature monitoring, ease of installation and sighting, video surveillance and documentation, remote PC interface, flexible configuration, and field calibration software.
The Marathon MM 3M measures low-to-medium temperatures (100 to 600C) with more accuracy regardless of changing emissivity.
The new sensor was introduced at Gifa/Metec/Thermprocess 2007 in Dusseldorf.
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