Product Description
Cryogenic Associates IR-12 Dewar Detector – Liquid Nitrogen-Cooled Infrared Detector Housing
This used Cryogenic Associates IR-12 is a specialized dewar designed for cooling infrared detectors to liquid nitrogen temperatures (77K). The IR-12 model is part of their series of research-grade cryogenic detector housings, optimized for IR spectroscopy, astronomy, and defense applications.
Cryogenic Associates was a respected manufacturer of scientific cryogenic equipment, providing dewars and related hardware for research laboratories, defense contractors, and industrial applications.
About the IR-12 Dewar
The IR-12 is a vacuum-insulated cryogenic housing specifically engineered for IR detector applications. It features:
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LN2 Cooling: Liquid nitrogen provides stable 77K operation
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Vacuum Insulation: Minimizes heat transfer for extended hold times
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IR Window: Transparent to infrared wavelengths (material unknown)
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Detector Mounting: Provisions for various IR detector types (InSb, MCT, etc.)
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Research-Grade Construction: Built for demanding laboratory environments
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | Cryogenic Associates |
| Model | IR-12 |
| Type | Infrared detector dewar |
| Cooling Method | Liquid nitrogen (LN2) – 77K operation |
| Detector Compatibility | Accepts various IR detector types (InSb, MCT, HgCdTe, etc.) |
| Window | IR-transparent (material unknown – ZnSe, Ge, Sapphire typical) |
| Construction | Vacuum-insulated stainless steel |
| Fill Port | Standard cryogen fill with vent |
| Hold Time | [Depends on design – typically several hours] |
| Applications | IR spectroscopy, thermal imaging, astronomy, defense research |
Applications
The IR-12 is suitable for demanding research environments:
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Infrared Spectroscopy: FTIR and other IR measurement techniques
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Astronomy: Ground-based IR observations requiring cooled detectors
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Defense Research: Missile warning systems, thermal imaging
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Material Science: IR characterization of materials
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Environmental Monitoring: Gas sensing and analysis
Condition
SOLD AS IS
USED – SHOWS NORMAL LAB WEAR (scuffs, minor marks)
VACUUM INTEGRITY UNKNOWN – may require pumping/leak testing
WINDOW CONDITION UNKNOWN – inspect for scratches, coating damage
NO DETECTOR ELEMENT INCLUDED (unless specified)
NO TRANSFER LINE OR ACCESSORIES INCLUDED
PICTURE MAY NOT MATCH PRODUCT
⚠ CRYOGENIC SAFETY NOTE: This dewar is intended for use with liquid nitrogen by qualified personnel only. Vacuum integrity is critical for safe operation and cannot be guaranteed on used units. Leak testing should be performed before use in critical applications.
| Weight | 8.1 lbs |
|---|---|
| Dimensions | 18 × 12 × 12 in |
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