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Pyrometer CellaPort PT 135

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The CellaPort PT 135 has a very short-wave and narrow-band spectral sensitivity. Therefore, the pyrometer reacts to interfering influences such as signal weakening by dust, vapour or smoke in the pyrometer's field of view, to soiling of the protective window as well as to fluctuations in the emissivity of the measuring object much less than a conventional spectral pyrometer. Metals have the physical property that the emissivity increases with shorter radiation wavelengths and higher object temperatures. Therefore, the CellaPort PT 135 is ideal for precise measurement of metals and very hot objects. In addition, the pyrometer is used to measure thin semiconductors, as semiconductors have very good radiation properties in the pyrometer's special spectral range. For wavelengths > 1 µm, silicon is transparent, so a standard pyrometer would measure the temperature of the material behind it through the silicon.

Special features:
  • Measuring range 600 to 3
  • 000 °C -- focusable interchangeable lenses for exact adjustment of the measuring distance -- broadband anti-reflective precision lenses -- short-wave and narrow-band spectral range -- particularly suitable for precise measurements on metals and on silicon wafers -- LED display -- standard feature: USB interface


Pyrometer CellaPort PT 135
Measuring range
Focus distance
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Version CellaPort PT 135 AF 11 
Version CellaPort PT 135 AF 12 
Version CellaPort PT 135 AF 13 
Version CellaPort PT 135 AF 14 
Measuring range 600 - 3500 °C 
Measuring range 600 - 3500 °C 
Measuring range 600 - 3500 °C 
Measuring range 600 - 3500 °C 
Focus distance 0,4 m - ∞ 
Focus distance 0,2 - 0,4 m 
Focus distance 1,2 m - ∞ 
Focus distance 0,2 m - ∞ 
Shape of the measuring field round 
Distance ratio 210 : 1 
Distance ratio 200 : 1 
Distance ratio 310 : 1 
Distance ratio 55 : 1 
Objective PZ 20.01 
Objective PZ 20.03 
Objective PZ 20.06 
Objective PZ 20.05 
Measuring principle one-colour 
Sighting option Through-the-lens-sighting 

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