Our generators are available in both bench and rack-Mounted instruments, designed to meet laboratory needs or other low volume nitrogen requirements. Performance, operation and components are identical for both units.

AADCO nitrogen generators produce very pure nitrogen from pressurized air. This generation system relies upon an air source which is constantly increasing in pressure during the separation cycle, i.e., no static or falling pressure during the cycle. The absorbing medium is able to retain oxygen, water and trace gases selectively while permitting uninterrupted passage of nitrogen and argon. The AADCO nitrogen generator output is actually 99% nitrogen and 1% argon, both inert. The product purity is equivalent to Research Grade Nitrogen (the very best grade), having a minimum purity of 99.999 mole%. It is usually supplied only in small cylinders from the gas cylinder bottlers.

The AADCO 737-series Pure Air Generators have gained universal acceptance as the instruments of choice when there is a requirement for a reliable, absolute source of zero air. Hundreds of these units are now distributed throughout the world, providing zero air for calibration purposes or relieving users from the tedious problems associated with stored air cylinders. Users include most federal and state air monitoring boards, foreign air monitoring networks, many federal analytical laboratories and a considerable number of industrial laboratories.

Their ruggedness and compactness permit their use for in-plant process applications as well. In addition to serving as a source for zero air they provide clean, dry air for valving, solenoids and other process equipment. The life span of process instrumentation is greatly prolonged and maintenance is minimized through use of clean, dry air.

In the past, all hydrogen generators relied upon a strongly alkaline electrolyte mixed and replenished by the operator as it was expended. In 1959 the solid polymer electrolyte (SPE) was introduced for such electrochemical devices as fuel cells, electrolysis units and oxygen concentrators, all utilizing the same basic 5PE and electrode components. In 1974 a hydrogen generator was developed by applying the solid polymer electrolyte technology from aerospace applications. The SPE is a cation exchange membrane that has the stability and performance requirements for a long-lived electrolysis system and replaces the caustic electrolyte. It is a solid plastic sheet of perfluorinated sutfonic acidpolymer producing hydrogen and oxygen by the electrolysis of water. This same polymer is incorporated in all MDCO hydrogen generators.

Our generators are available in both bench and rack-mounted instruments designed to meet the needs of laboratory operations or other small hydrogen requirements. Performance, operation and components are identical for both units.