Perma Pure Baldwin-Series M225 - Manual (Page 7)

Section C: Principle of Operation 7
condenses, the condensate exits the heat exchanger through the bottom drain
connection. Particulate matter passing through the sample cooler is removed by an
optional Perma Pure pre-filter, located downstream from the cooler along with an
optional water slip sensor. The conditioned sample gas can then be directed to the
gas analyzers.