Gamma Gage II Portable Cryostat/Dewar
Liquid Nitrogen Cooling System for HPGe Detectors
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Key Highlights
- Portable cryostat/dewar system for HPGe radiation detectors
- Designed for field measurements and mobile gamma spectroscopy
- Liquid nitrogen (LN₂) cooling with holding times from 1 to 5 days
- Lightweight design (<11 lbs for 24-hour version) for easy transport
- Available in all-attitude (no-spill) and multi-orientation (compact) configurations
- Compatible with GEM, GMX, GLP, PROFILE, and Safeguards detectors
- Integrated automatic high-voltage shutdown protection
- Supports PopTop and Streamline detector configurations
Description
The Gamma Gage II Portable Cryostat/Dewar is a high-performance liquid nitrogen cooling system designed for use with high purity germanium (HPGe) radiation detectors.
Engineered for portable and field-based gamma spectroscopy, this system allows users to “bring the detector to the sample,” making it ideal for applications such as waste assay, site characterization, nuclear safeguards, and in-situ radiation measurements.
The system integrates both the cryostat and LN₂ dewar into a compact, transportable unit, providing reliable cooling performance with flexible holding times depending on operational needs.
Users can choose between two dewar configurations:
All-attitude design: Prevents LN₂ spillage regardless of orientation
Multi-orientation (MOD): More compact and lightweight, with flexible positioning options
With built-in safety features such as automatic high-voltage shutdown and high count-rate indication, the Gamma Gage II ensures safe and stable detector operation even in demanding environments.
This makes it an ideal solution for laboratories and field teams requiring portable, reliable, and high-performance cooling for HPGe detectors.
Specifications
Product Type: Portable cryostat/dewar (LN₂ cooling system)
Cooling Method: Liquid nitrogen (LN₂)
Holding Time Options: ~1 to 5 days (depending on dewar size)
Dewar Types:
- All-attitude (no-spill design)
- Multi-orientation (MOD, compact design)
LN₂ Volume Options: ~1.2 L to 7 L configurations
Weight: <11 lbs (24-hour version)
Compatibility:
GEM, GMX, GLP, PROFILE, Safeguards HPGe detectors
Safety Features:
- Automatic high-voltage shutdown
- High count-rate indicator
Configuration Options: PopTop and Streamline
Filling Method: Manual fill funnel or compatible LN₂ fill systems
Application
- Field gamma spectroscopy and radiation surveys
- Nuclear safeguards and isotopic analysis
- Waste assay and site characterization
- Environmental radiation monitoring
- Whole body counting systems
- Mobile and multi-detector research setups