Less cryogen handling reduces costs and improves safety!
AMI's extensive experience encompasses the unique requirements for accurately measuring and
efficiently controlling cryogenic liquid levels, primarily (but not limited to) nitrogen in
unattended auto-fill systems for both laboratory and heavier-duty industrial applications.
Depending on the complexity, these systems incorporate either our Model 186
or Model 286 Liquid Level Controller and associated
Liquid Level Sensors into a safe and reliable level control system.
Dewar sizes range from "standard" 5 to 50 liters, to the less than 0.25 liter dewars
used in IR/CCD detector systems.
Unattended Auto-fill applications
These are just a few of the many unattended auto-fill applications for systems that need
uninterrupted LN2 temperature environments:
CCD and HgCdTe Detectors
X-ray and Gamma-ray spectro-scopy systems
Biological sample or single-crystal storage
Florescence and Chemilumine-scence spectroscopy
Gravity-feed systems are an AMI innovation applied in situations where the target dewar must be
kept contuously full. In these applications, the source dewar is mounted above the target dewar
and is the object of the autofill function.
For more details, refer to the
Autofill Systems Brochure in PDF format and the
Cryogenic Liquid Level Application Notes