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Types of Sample Conditioning
lThermoelectric (Peltier) Chiller (typical of portables & reference method testing)
lMinimum contact surface area
l
lPermeation Dryer
lPerma Pure - Nafion® hose (sulfonic acid impregnation)
–H2O has affinity to sulfonic acid - “dry” air counter flow diff. grad.
–
lIce bath  
lShould utilize minimum contact surface area. Not always the case.    
l
lAll must remove condensate continuously from sample stream (typ. peristaltic “hose “ pump).