The present invention is a system and method of conditioning the sample and surrounding environment of an exhaled breath sensor. It includes (i) using a particular molecular sieve for a triple purpose: (a) maintaining the sensor at a constant relative humidity during storage, (b) equilibrating the incoming...http://www.google.de/patents/US7352465?utm_source=gb-gplus-sharePatent US7352465 - Sample conditioning and environmental control techniques for gas sensor
