Dryers for Humidity Calibration Systems - PSD2 & PSD4
Dryers for Humidity Calibration Systems - PSD2 and PSD4
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Excellent long-term stability
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Maintenance free except for a desiccant change once every 5 years
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Completely self-contained
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Low power consumption
Pressure Swing dryers provide a source of very dry compressed air for use as a zero gas in humidity calibration systems, or for general laboratory applications.
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The Michell PSD Series Pressure Swing Dryers use two columns filled with 4Å molecular sieve desiccant, which are used alternately on a two-minute switching cycle. The PSD dryers are designed to operate continuously, using a small proportion of the dried air, to regenerate the offline column - generally giving desiccant life in excess of five years. This type of heatless regeneration also uses significantly less energy than a 'heated' type of dryer.
