<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Cigarette draw resistance and filter pressure drop (PD) are both major physical parameters for the tobacco industry. Therefore these parameters must be measured reliably. For these measurements, specific equipment calibrated with PD transfer standards is used. Each transfer standard must have a known and stable PD value, such standards usually being composed of several capillary tubes associated in parallel. However, PD values are modified by ambient conditions during calibration of such standards, i.e. by temperature and relative humidity (RH) of air, and atmospheric pressure. In order to reduce the influence of these ambient factors, a simplified model was developed for compensating the effects of ambient conditions on the calibration of multi-capillary PD standards.</p></abstract>

Cigarette draw resistance and filter pressure drop (PD) are both major physical parameters for the tobacco industry. Therefore these parameters must be measured reliably. For these measurements, specific equipment calibrated with PD transfer standards is used. Each transfer standard must have a known and stable PD value, such standards usually being composed of several capillary tubes associated in parallel. However, PD values are modified by ambient conditions during calibration of such standards, i.e. by temperature and relative humidity (RH) of air, and atmospheric pressure. In order to reduce the influence of these ambient factors, a simplified model was developed for compensating the effects of ambient conditions on the calibration of multi-capillary PD standards.

Compensation for the Effects of Ambient Conditions on the Calibration of Multi-Capillary Pressure Drop Standards

ALTADIS Research Centre, 4 rue Andre Dessaux, 45404 Fleury-Les-Aubrais, France

British American Tobacco Germany GmbH, Bayreuth, Germany

Sodim Instrumentation, Fleury-Les Aubrais, France

6Philip Morris International, Neuchâtel, Switzerland

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Cigarette draw resistance and filter pressure drop (PD) are both major physical parameters for the tobacco industry. Therefore these parameters must be...

Compensation for the Effects of Ambient Conditions on the Calibration of Multi-Capillary Pressure Drop Standards

Publié en ligne: 30 déc. 2014

Pages: 167 - 174

Reçu: 26 nov. 2003

Accepté: 10 mars 2004

DOI: https://doi.org/10.2478/cttr-2013-0777

© 2004 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.