Infrared pyrometers for universal measurements

Infrared pyrometers of the thermoMETER series can be used in a wide variety of applications. From low temperatures prevalent in cooling chains or laboratories, to the highest temperatures in hot molten metals and blast furnaces - these IR pyrometers measure precisely and reliably.
 

Basics of Infrared Thermometry

Depending on the temperature, each object emits a certain amount of infrared radiation. A change in the temperature of the object is accompanied by a change in the intensity of the radiation. For the measurement of “thermal radiation” infrared thermometry uses a wave-length ranging between 1 μ and 20 μm. The intensity of the emitted radiation depends on the material. This material contingent constant is described with the help of the emissivity (e - Epsilon) which is a known value for most materials.

Infrared thermometers are optoelectronic sensors. They calculate the surface temperature on the basis of the emitted infrared radiation from an object.

Infrared thermometers consist of the following components:

  •  Lens
  •  Spectral filter
  •  Detector
  •   Controller (Amplifier/linearization/signal processing)
  

 

 

 
The specifications of the lens decisively determine the optical path of the infrared thermometer, which is characterized by the ratio Distance to Spot size. The spectral filter selects the wavelength range, which is relevant for the temperature measurement. The emitted infrared radiation is transformed into electrical signals by the detector and the controller.
 

Characteristics
  •  Temperature ranges from -50 °C to +1600°C
  •  Sensors for the metal industry
  •  Sensors for the glass industry
  •  High speed version
  •  Also suitable for use in potentially explosive atmospheres
  •  Extensive accessories
 
 

 


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