Humidification Module adds humidity to trace gas mixtures.

Press Release Summary:

FlexStream™ can typically add adjustable humidity levels from 20%–90% RH to trace gas mixtures produced by FlexStream™ system, but not all levels can be achieved at all flows. Trace Source™ permeation tubes are used to create trace concentration gas mixtures, and humidity is added by splitting dilution flow into 2 parts. Internal computer sets both dilution flow needed to achieve specific concentration and proportion of wet gas needed to create required humidity level.

Original Press Release:

Humidification for Trace Gas Mixtures

Applications include:

•  Trace Concentration Gas Mixtures

•  Calibrating Ambient Air Monitors

•  Evaluating Sensor Systems

•  Testing Air Filter Efficiency and Capacity

•  Analytical Method Validation

•  Catalytic Conversion Testing

Humidification for Trace Gas Mixtures

The FlexStream™ Humidification Module adds variable levels of humidity to trace gas mixtures produced by the FlexStream™ system.  Typically, the unit can be used to add adjustable humidity levels between 20% and 90% RH (though not all levels can be achieved at all flows).

The FlexStream™ system uses Trace Source™ permeation tubes to create trace concentration gas mixtures by mixing the output from the permeation tube with a clean dilution gas.  Humidity is added by splitting that dilution flow into two parts. One part remains dry and passes over the permeation tube to mix with the permeate.  The other part is saturated with water. The two parts are mixed and the proportion of wet/dry gas determines the relative humidity.  The FlexStream™ internal computer sets both the dilution flow needed to achieve a specific concentration, and the proportion of wet gas needed to create the required humidity level.

The technique used to add moisture to trace concentration mixtures is critical.  If the mixture is bubbled through water, or even makes surface contact with liquid water, its concentration may be changed by loss of the component to the water.  In the FlexStream™ system the trace concentration mixture contacts only water vapor, and flows through inert materials.

For more information, contact:   

KIN-TEK Laboratories, Inc.

 Phone:  (409) 938-3627


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