barrier filters in line with calibration syringe

By Helena Midkiff posted 07-26-2012 23:17

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I've always placed the same barrier filter used for testing in line with the calibration syringe during the flow sensor calibration (or volumetric device). when I checked the ATS standards I did not see this practice mentioned. Does it make any appreciable difference? Is it really unnecessary?

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Kennedy Laraway

08-10-2012 12:47

It will not change the volume of the syringe. As long as you are meeting the flow reccomendations of your device during the cal/verify there should be no problem with the resistance imposed by the filter. Our device requires a filter because there is no way to connect the syringe/hose to the pnuemotach without the filter.

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