Commonly Asked Questions
What is a cold head?
What is Boiloff?
Average lifespan of a cold head?
How can you extend the life of your cold head?
What is the cost?
The typical cost of a MRI cold head from the manufacture is $5,500.
The typical cost of a refurbished cold head is $4,500.
What composes a Cryosystem?
What is the compressor refurbishment process?
The process to refurbish a compressor includes absorber replacement, component level repairs, heat exchanger cleaning and oil change. The system gets fully pumped out followed by performance testing and a system check.
Top 4 ways to know your cold head could fail
Elevated magnet pressure: The normal range on a GE CXK4 is 4psi but once it goes above 5 the MRI can start losing helium.
Boiloff: If you start to see Helium loss or elevated/acceleration of boiloff on a 10k system.
Abnormal noise: If the MRI moves from its gentle chirp to a banging or grinding (mechanical noise)
Elevated cold head temperatures: Temperatures start or continue to rise. In order to see that you need to have a remote monitoring system in place