Liquid Nitrogen Level Controller.
DEPARTMENT OF THE AIR FORCE WASHINGTON D C
Pagination or Media Count:
The liquid nitrogen level in a flask is controlled by the degree of immersion of two sensing coils of copper wire in the liquid nitrogen activating a solid state switching circuit which controls a liquid nitrogen inlet flow valve. Manual override and sensor fault indication is provided. Author
- Physical Chemistry
- Electrooptical and Optoelectronic Devices