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MCM Ltd

01937 844000

Push Purge

Push Purge

The Push Purge® Feature

An Effective Means Of Verification

•When sampling a gas for the first time, or if anomalies occur that cause concern, the ability to verify results is invaluable. MCM makes this possible with the Push Purge® feature.

When activated the surface of the Sensor is heated rapidly, burning off superficial moisture any hydrocarbon contamination that may be present. As the temperature of the Sensor increases moisture is displaced and the displayed reading drops accordingly.

As the Sensor cools, and equilibrium is re-established, the moisture reading will return to its previous value if surface contamination is negligible, confirming the value of the water vapour present in the sample gas. In addition, Push Purge® provides valuable information on the risk of contamination of the Sensor, the gas condition and the electronic functionality of the hygrometer.

Rapid, Repeatable Measurements by Eliminating Hysteresis

•The effects of hysteresis are minimised when using Push Purge® because each measurement is started with the Sensor in a repeatable, dry condition.

Equally, the time required for each measurement to stabilise can be vastly reduced by using the Push Purge® Sensor drying function to speed up the equilibrium process.

The time it takes for the water vapour equilibrium to be re-established from this dry state will confirm the analyser’s sensitivity to moisture and establish its response time under field conditions. Invaluable Diagnostics

•Any hygrometer that has the ability to confirm its sensitivity or speed of response to changes in moisture levels, without disturbing the sample condition itself, is a valuable tool for any operator in terms of the confidence it provides in the data that is collected. Push Purge® is, therefore, an invaluable diagnostic tool which aids productivity and Quality Control.

For more information on  Push Purge  talk to  MCM Ltd

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