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Pyrometer CellaCrystal PA 44

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The CellaCrystal PA 44 has been developed for optical temperature measurement when growing crystals. The calibration is especially adapted to the production of crystals. Combined with the constant high resolution of < 0.1 K over the entire measuring range and the very high long-term stability, the device meets the requirements for the necessary high measuring accuracy. With the help of the through-the-lens sighting, laser pilot light or video camera, the pyrometer can be precisely aligned to the measuring point.

Special features:
  • Measuring range 750 to 3
  • 000 °C -- PA 44 AF 4/5: special calibration for the production of crystals -- PA 44 AF 7: special calibration for the production of silicon carbide -- hybrid signal evaluation for high metrological resolution -- high long-term stability due to minimal self-heating -- focusable lens for exact adjustment of the measuring distance -- standard feature: analogue output and USB/RS 485 interface


Pyrometer CellaCrystal PA 44
Measuring range
Focal range
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Version CellaCrystal PA 44 AF 4 
Version CellaCrystal PA 44 AF 5 
Version CellaCrystal PA 44 AF 7 
Version CellaCrystal PA 44 AF 9 
Measuring range 750 - 2400 °C 
Measuring range 750 - 2400 °C 
Measuring range 850 - 3000 °C 
Measuring range 850 - 3000 °C 
Focal range 0,4 m - ∞ 
Focal range 0,2 - 0,4 m 
Focal range 0,4 m - ∞ 
Focal range 1,2 m - ∞ 
Shape of the measuring field round 
Distance ratio 150 : 1 
Distance ratio 140 : 1 
Distance ratio 150 : 1 
Distance ratio 240 : 1 
Objective PZ 20.01 
Objective PZ 20.03 
Objective PZ 20.01 
Objective PZ 20.06 
Measuring principle two-color 
Sighting option Through-the-lens sighting 
Sighting option Laser pilot light 
Sighting option Video camera 

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