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Home › Laboratory › Temperature Calibration › Isotech Pegasus R Blackbody Source
Isotech Pegasus R Blackbody Source
150 to 1200°C
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 150°C to 1200°C
Compact 20mm Diameter Cavity
Emissivity > 0.995 Cavity 20 x 65mm
The Pegasus R is a compact furnace for calibrating
radiation pyrometers.
The temperature of the furnace is set on a controller, whilst
an independent indicator, whose sensor fits into the cavity,
indicates the actual radiance temperature. The sensor can
be removed for external calibration or the complete system
can be calibrated.
The cavity diameter is 20mm, the depth 65mm. Emissivity is
0.995. The cavity is removable and a fixed point cell may be
put in its place. The cavity inside the fixed point cell is 10mm
in diameter by 65mm deep to the tip of a 120° cone.
For calibration radiation thermometers in the wavelength
range 0.9 to 14 micrometres. A blackbody radiation source
‘based on a design study by England’s National Physical
Laboratory (NPL)’ for Isothermal Technology Ltd is housed,
with suitable insulation, in the Pegasus tube furnace. The
aperture is 20mm in diameter.
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A Pegasus blackbody source has been calibrated at NPL
(Nat. Physical Laboratory) with an uncertainty of ±2°C and
the calibration was found to be reproducible after a period
of about 2 months. A scan across the aperture at 444°C
showed that the source was uniform to better than 0.3°C.
Traceability may be established with a UKAS certificate for
the in-built indicator and supplied probe (935-14-40).
Data Sheet
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Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
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