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Variable Oxygen and Nitrogen PCI
What is the Variable Oxygen and Nitrogen PCI ?
A specific requirement arose to carry out life sciences research in a small hypoxia (low oxygen) and hyperoxia (high oxygen) controlled environment.
The PCI was considered an ideal enclosure for the work so a system to replace the clean air with an automatically controlled oxygen : nitrogen ratio atmosphere was designed. This system was designed to operate at any preselected ratio of 10% to 75% oxygen
The variable oxygen and nitrogen PCI is ideally suited to any small scale for work that requires a controlled oxygen : nitrogen ratio in the range 10% to 75%.
The system has been designed for hypoxia and hyperoxia research but would be suitable for any type of work requiring this environment.
How does it work?
The system uses a bottled supply of oxygen and nitrogen, mixed in the transfer hatch then filtered into the isolator. Control of the ratio may be either manual using the flow meters on the side panel, or fully automatic using a Pro-Ox unit. There is a fail-safe system built in which fails gas delivery to zero in the event of one cylinder running out. A PTFE filter membrane on the cabinet then maintains a survivable oxygen level until gas is restored.
There is a battery back up for the control system in the event of mains power failure.
The variable oxygen and nitrogen PCI has the main advantage of being compact and mobile. It is also very simple to use in either manual or fully automatic modes.
As many of the parts (shell, visor etc) are used in the higher volume PCI it is also a cost effective option.