Gas Cooled Endoscope Shell

Thoughtventions Unlimited, LLC, offers the Model 022, air-cooled probe shroud that allows the use of standard borescopes in high temperature, high pressure, and corrosive environments.  The Model 022 probe shroud has a hermetically sealed sapphire window that is noble-metal brazed into a 300 Series stainless steel housing.   The sapphire window permits an enclosed borescope to have a field of view of over 120 degrees and provides excellent transmission from the UV to the IR.   Optical probes of up to 5/16 inch diameter can be inserted into the standard probe shroud; custom sizes are available.

Specifications: Standard Model

Physical Characteristics

Shell Outer Diameter	2.5 cm
Endoscope Outer Diameter	< 1 cm
Probe Insertion Length	< 40 cm
Overall Length (without fittings)	50 cm
Shell Material	300 Series Stainless Steel
Window	Brazed Sapphire
Fittings	Swagelok
Weight	0.5 kg

Operating Characteristics (as tested)

Environment Temperature	500°C Quiescent Air
Endoscope Temperature	70°C Maximum
Cooling Air Temperature	25°C
Operating Pressure	Approximately 50 psi
Operating Atmosphere	Air
Cooling Flow Rate	100 scfh
Orientation	Vertical

Gas Cooled Endoscope Shell Diagram
A double walled layer of cooling air protects your endoscope.
(Click for a larger image)

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Last updated: July 2015